CN112704401B - A uniform friction constant temperature heating pot - Google Patents
A uniform friction constant temperature heating pot Download PDFInfo
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- CN112704401B CN112704401B CN202110167182.1A CN202110167182A CN112704401B CN 112704401 B CN112704401 B CN 112704401B CN 202110167182 A CN202110167182 A CN 202110167182A CN 112704401 B CN112704401 B CN 112704401B
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- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47J—KITCHEN EQUIPMENT; COFFEE MILLS; SPICE MILLS; APPARATUS FOR MAKING BEVERAGES
- A47J36/00—Parts, details or accessories of cooking-vessels
- A47J36/24—Warming devices
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- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47J—KITCHEN EQUIPMENT; COFFEE MILLS; SPICE MILLS; APPARATUS FOR MAKING BEVERAGES
- A47J27/00—Cooking-vessels
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- Food Science & Technology (AREA)
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Abstract
The invention discloses a constant-speed friction constant-temperature heating pot which comprises a base, a power input shaft, a speed control device, a pot body, a rotary gear disc, a volute spiral spring, a friction disc, a speed control device mounting plate, a unidirectional rotation control device and a driving device. The invention provides a constant-speed friction constant-temperature heat supply pot, which can supply kinetic energy to the pot body under the drive of wind energy or manpower under the condition that no gas or electric power exists in the field, convert mechanical energy into heat energy to supply heat to the pot body, automatically adjust the rotating speed so that the temperature of the pot bottom is a constant value, and avoid the change of the taste of rice due to the temperature fluctuation during cooking and cooking.
Description
Technical Field
The invention relates to the technical field of pots, in particular to a constant-speed friction constant-temperature heat supply pot.
Background
In the current life and production, the pot is an essential tool for people to produce and live, the shadow of the pot can not be kept for cooking rice and dishes, but the existing pot is heated by gas, and when people are in the field, the cooking is difficult without gas and electric power.
Disclosure of Invention
The invention provides a constant-speed friction constant-temperature heating pot aiming at the defects in the prior art.
In order to solve the technical problems, the invention is solved by the following technical scheme: the utility model provides a constant temperature heat supply pot of at uniform velocity friction which characterized in that: the energy-saving pot comprises a base, a power input shaft, a speed control device, a pot body, a rotary gear disc, a volute spiral spring, a friction disc, a speed control device mounting plate, a unidirectional rotation control device and a driving device, wherein the power input shaft is rotationally arranged on the side surface of the base, one end of the power input shaft is connected with the driving device, the other end of the power input shaft is in matched connection with the rotary gear disc, the unidirectional rotation control device is arranged on the upper surface of the base and is in contact with the rotary gear disc in a propping manner, the rotary gear disc is rotationally arranged on the base, two ends of the volute spiral spring are respectively arranged on the rotary gear disc and the friction disc, the friction disc is arranged on the rotary gear disc, the volute spiral spring stores energy along with the rotation of the rotary gear disc, the friction disc rotates along with the elastic force release of the volute spiral spring, the pot body generates heat energy by rubbing the pot body, the outer edge of the speed control device mounting plate is arranged on the base, the inner edge of the pot body, and is provided with a plurality of speed control devices, the speed control device is arranged on the outer ring of the friction disc in a surrounding mode.
The constant-temperature heating device has the advantages that under the driving of external power, power is transmitted to the volute spiral spring to enable the volute spiral spring to temporarily supply power, after the volute spiral spring releases the power, the friction disc is driven to rub with the pan body to generate heat energy to carry out cooking operation, the rotating speed of the friction disc is controlled within a fixed value through the speed control device, the heat generated by the friction of the friction disc and the pan bottom is also a fixed value, and therefore the purpose of constant-temperature heating is achieved.
The base comprises a base plate, a control mounting frame, a power input shaft mounting hole and a side plate, the speed control device mounting plate comprises a mounting bottom plate, a mounting side wall, a mounting top plate and a speed control device mounting hole, an inner ring of the mounting top plate is arranged on an outer ring of the pot body, the outer ring of the mounting top plate is arranged on the upper portion of the side plate, and an outer ring of the mounting bottom plate is arranged on the inner wall of the side plate.
Unidirectional rotation controlling means is including first rotation axis, the 7 style of calligraphy hinders contrary board and second compression spring, first rotation axis setting hinders the one end of contrary board at the 7 style of calligraphy, and rotate with the bed plate of base and be connected, the lower surface that the second compression spring both ends were resisted contrary board at the upper surface of bed plate and 7 style of calligraphy respectively top-touch, and be located the other end that the 7 style of calligraphy was hindered contrary board, the 7 style of calligraphy is resisted the hook head portion top-touch at the lower surface of rotatory toothed disc, and 7 style of calligraphy is resisted the hook head portion front end face of contrary board and is resisted the side top-touch of shelves strip.
The rotary gear disc has the beneficial effects that the rotary gear disc can only rotate in a single direction, and the rotation of the rotary gear disc can be prevented when the rotary gear disc rotates in the reverse direction.
The rotary gear disc comprises a second bevel gear, a volute spiral spring fixing rod, a stop bar, a rotary shaft hole and a rotary gear disc shaft, the rotary gear disc shaft is rotatably arranged at the center of a base plate of the base, the power input shaft comprises a first bevel gear, a second rotary shaft and a square connecting shaft, the second rotary shaft is rotatably arranged on a power input shaft mounting hole of the base, the first bevel gear is connected with the second bevel gear on the rotary gear disc in a matched mode, and the square connecting shaft is connected with a driving device.
The speed control device comprises check rings, friction ring sliding shafts, fourth compression springs and friction rings, a plurality of friction ring sliding shafts are arranged on the outer rings of the friction rings, the axis direction of each friction ring sliding shaft is the same as the direction of the central line of each friction ring, the check rings are arranged on the outer sides of all the friction ring sliding shafts, the speed control device is arranged on a speed control device mounting hole of a speed control device mounting plate in a sliding mode through the friction ring sliding shafts, the fourth compression springs are arranged on the friction ring sliding shafts in a sliding mode, and two ends of each compression spring are respectively abutted to the outer wall of the mounting side wall and the inner wall of each check ring.
The friction ring has the advantages that when the friction ring is attracted by magnetic force, the friction ring sliding shaft slides inwards in the mounting hole of the speed control device, so that the fourth compression spring is compressed, the friction ring is close to the original magnetic force, and when the magnetic attraction is reduced or disappears, the friction ring starts to recover to the initial position under the action of the fourth compression spring.
The friction disk is including the friction dish axle, the permanent magnet, the spiral spring connecting hole, fifth compression spring, friction dish and magnet sliding hole, permanent magnet and fifth compression spring all slide and set up in the magnet sliding hole, the both ends of fifth compression spring are pushed up the one end of touching in the one end of magnet sliding hole and the one end of permanent magnet respectively, friction dish and pot body lower surface frictional contact, the friction dish axle sets up the lower surface at the friction dish, spiral spring connecting hole is located the middle part of friction dish axle, the rotation of friction dish axle sets up downtheholely at the rotation axis of rotary gear dish.
The friction disc has the advantages that external kinetic energy can be transmitted to the volute spring through the rotating gear disc, then constant kinetic energy is transmitted to the friction disc through the volute spring, the rotation speed of the friction disc is a fixed value under the action of the speed control device, heat generated by friction between the friction disc and the bottom of a pot is a fixed value, then constant heat is used for cooking dishes, water and cooking, and the external kinetic energy can be temporarily stored through the volute spring so as to be used when needed.
Among the above-mentioned technical scheme, preferred, pot body lower surface is wear-resisting high temperature resistant metal material, and the friction disc upper surface of friction disc is the friction disc, and than pot body lower surface material easily with wearing and tearing.
The novel pot has the advantages that the pot body is not easy to wear, and the friction plate can be replaced, so that the novel pot can be used for a long time.
In the above technical solution, preferably, when the hook head of the 7-shaped reverse blocking plate on the unidirectional rotation control device faces towards the inner ring of the spiral spring to be fixed, the rotation direction of the outer ring is in a tensioning state.
The spiral spring charging device has the beneficial effects that the rotary gear disc can only rotate in one direction, and the spiral spring is charged by the rotation.
In the above technical solution, preferably, the driving device is a labor-saving lever or a wind-driven fan.
The spiral spring charging device has the beneficial effects that under the condition that no wind energy exists outside, the spiral spring is charged by rotating the labor-saving lever by a person.
The invention has the beneficial effects that: the invention provides a constant-speed friction constant-temperature heat supply pot, which can supply kinetic energy to the pot body under the drive of wind energy or manpower under the condition that no gas or electric power exists in the field, convert mechanical energy into heat energy to supply heat to the pot body, automatically adjust the rotating speed so that the temperature of the pot bottom is a constant value, and avoid the change of the taste of rice due to the temperature fluctuation during cooking and cooking.
Drawings
FIG. 1 is a schematic view of the present invention.
Fig. 2 is a cross-sectional view of the present invention.
FIG. 3 is an internal schematic view of the present invention.
FIG. 4 is a schematic view of a mounting plate of the speed control device of the present invention.
FIG. 5 is a schematic view of a speed control device according to the present invention.
Fig. 6 is a sectional view of the unidirectional rotation control apparatus of the present invention.
FIG. 7 is a schematic diagram of a first structure of the present invention.
FIG. 8 is a second structural diagram of the present invention.
Fig. 9 is a schematic view of a rotary gear disc of the present invention.
FIG. 10 is a schematic view of a wrap spring according to the present invention.
FIG. 11 is a schematic view of the spiral spring connection of the present invention.
FIG. 12 is a schematic view of a friction disk of the present invention.
Fig. 13 is a cross-sectional view of a friction disc of the present invention.
FIG. 14 is a schematic view of a third structure of the present invention.
Fig. 15 is a transverse cross-sectional view of the present invention.
Detailed Description
The invention is described in further detail below with reference to the following detailed description and accompanying drawings:
referring to fig. 1-15, a constant-speed friction constant-temperature heat supply pot comprises a base 1, a power input shaft 2, a speed control device 3, a pot body 4, a rotary gear disc 5, a volute spiral spring 6, a friction disc 7, a speed control device mounting plate 8, a unidirectional rotation control device 9 and a driving device 10.
The base 1 comprises a base plate 11, a control mounting frame 12, a power input shaft mounting hole 13 and a side plate 16, the rotary gear disc 5 comprises a second bevel gear 51, a volute spiral spring fixing rod 52, a baffle 53, a rotating shaft hole 54 and a rotary gear disc shaft 55, the rotary gear disc shaft 55 is rotatably arranged at the center of the base plate 11 of the base 1, the unidirectional rotation control device 9 comprises a first rotating shaft 93, a 7-shaped reverse blocking plate 91 and a second compression spring 92, one end of the 7-shaped reverse blocking plate 91 is rotatably connected with the base plate 11 through the first rotating shaft 93, a second compression spring 92 is arranged below the other end of the 7-shaped reverse blocking plate 91, two ends of the second compression spring 92 respectively abut against the upper surface of the base plate 11 and the lower surface of the 7-shaped reverse blocking plate 91, the hook head of the 7-shaped reverse blocking plate 91 abuts against the lower surface of the rotary gear disc 5, and the front end surface of the hook head of the 7-shaped reverse blocking plate 91 abuts against the side surface of the stop strip 53.
Wherein the 7 style of calligraphy hinder against board 91 rotation and fix on the bed plate 11, the other end perk and the below are provided with second compression spring 92, when rotatory pinion disc 5 anticlockwise rotation, the grade bar 53 presses the slope face that 7 style of calligraphy hinders against board 91, 7 style of calligraphy hinders against board 91 can the downstream, compress second compression spring 92, after 7 style of calligraphy hinders against board 91 is drawn to the grade bar 53, 7 style of calligraphy hinders against board 91 perk upward movement under the effect of second compression spring 92, the top touches the lower surface at rotatory pinion disc 5, when rotatory pinion disc 5 wants clockwise rotation, 7 style of calligraphy hinders against board 91 perk end and stops against the grade bar 53, make it can not rotate, thereby make control rotatory pinion disc 5 can only unidirectional rotation.
Preferably, the hook of the 7-shaped reverse blocking plate 91 of the unidirectional rotation control device 9 faces the direction of the expanded state when the inner ring of the spiral spring 6 is fixed.
Wherein can guarantee that unidirectional rotation rotary gear dish 5 just can fill ability for volute spiral spring 6 like this, and reverse unable rotation, and a prevention power when giving rotary gear dish 5 reverse rotation.
Preferably, the speed control device mounting plate 8 comprises a mounting bottom plate 81, a mounting side wall 82, a mounting top plate 83 and a speed control device mounting hole 84, the mounting top plate 83 connects the pot body 4 and the side plate 16 together, the mounting bottom plate 81 is arranged on the inner wall of the side plate 16, the speed control device 3 comprises a retainer ring 31, a friction ring sliding shaft 32, a fourth compression spring 33 and a friction ring 34, the speed control device 3 is arranged on the speed control device mounting hole 84 of the speed control device mounting plate 8 in a sliding manner through the friction ring sliding shaft 32, the retainer ring 31 is arranged on the outer side of the friction ring sliding shaft 32, the fourth compression spring 33 is arranged on the friction ring sliding shaft 32 in a sliding manner, and both ends thereof are respectively pressed against the outer wall of the mounting side wall 82 and the inner wall of the retainer ring 31, the outer ring of the friction ring 34 is provided with a plurality of friction ring sliding shafts 32, the axial direction is the same as the central line direction of the friction ring 34, and the friction ring 34 is made of magnetic wear-resistant material.
The outer ring of the friction ring 34 is provided with a plurality of friction ring sliding shafts 32, and the axial direction is the same as the central line direction of the friction ring 34, so that the sliding direction of the friction ring 34 is fixed in the central line direction, when the friction ring 34 is attracted by magnetic force, the friction ring sliding shafts 32 slide inwards in the speed control device mounting hole 84, thereby compressing the fourth compression spring 33, so that the friction ring 34 approaches to a magnetic source, and when the magnetic attraction is reduced or eliminated, the friction ring 34 starts to recover to the initial position under the action of the fourth compression spring 33.
Preferably, the spiral spring 6 includes a peripheral connecting end 61 and a central connecting end 63, the peripheral connecting end 61 is connected to the spiral spring fixing rod 52 of the rotary gear plate 5 in a ring-buckling manner, the central connecting end 63 is disposed on the spiral spring connecting hole 75 of the friction disk 7, and the spiral spring 6 is a fixed-torque spiral spring.
Wherein the driving device 10 transmits the external power to the rotary gear plate 5 through the matching of the first bevel gear 21 and the second bevel gear 51, the spiral spring 6 is connected on the rotary gear plate 5, so the spiral spring 6 is always stored with energy in the process of unidirectional rotation of the rotary gear plate 5, the elasticity of the spiral spring 6 is increased, and the inner end of the spiral spring 6 is connected on the friction disk 7, the elastic force of the wrap spring 6 is converted into kinetic energy of the rotating friction disc 7, causing it to start rotating, when the external kinetic energy is larger than the energy consumed by the rotation, the external kinetic energy can be stored in the volute spiral spring 6, and because the rotary gear disc 5 can only rotate in one direction, therefore, when the external kinetic energy is reduced, the stored elastic force can drive the friction disc 7 to rotate, and the torsion for driving the friction disc 7 is a constant value because the scroll spring 6 is a constant-torque scroll spring.
Preferably, the friction disc 7 includes a friction disc 71, a permanent magnet 72, a friction disc shaft 73, a fifth compression spring 74, a spiral spring connection hole 75 and a magnet sliding hole 76, the friction disc shaft 73 is rotatably disposed in the rotation shaft hole 54 of the rotary gear disc 5, the friction disc 71 is in friction contact with the lower surface of the pot body 4, the spiral spring connection hole 75 is located in the middle of the friction disc shaft 73, the magnet 72 and the fifth compression spring 74 are both slidably disposed in the magnet sliding hole 76, both ends of the fifth compression spring 74 respectively abut against the magnet sliding hole 76 and the permanent magnet 72, a plurality of magnet sliding holes 76 are disposed in the friction disc 7, the fifth compression spring 74 and the permanent magnet 72 are disposed in each magnet sliding hole 76, and a plurality of sets of speed control devices 3 are disposed on the speed control device mounting plate 8.
When the friction disc 7 starts to rotate, the permanent magnet 72 in the magnet sliding hole 76 slides outwards under the action of centrifugal force to compress the fifth compression spring 74, at this time, the distance between the permanent magnet 72 and the friction ring 34 becomes small, so that the friction ring 34 is influenced by magnetic force, further the friction ring 34 slides out towards the direction of the friction disc 71, and the fourth compression spring 33 is compressed and compressed at the same time, when the rotation speed of the friction disc 7 is too fast, the permanent magnet 72 slides outwards under the action of centrifugal force, so that the magnetic force applied to the friction ring 34 is larger, the pressure on the surface of the friction ring 34 and the side surface of the friction disc 71 is larger, the friction force between the surface and the side surface is larger, the resistance applied to the friction disc 7 is larger, and the spiral spring 6 for providing the rotation power is a constant-torque spiral spring, so that the rotation speed of the friction disc 7 is slowly reduced under the condition that the driving force is a constant value, in the process of reducing the rotating speed of the friction disc 7, the centrifugal force applied to the permanent magnet 72 is reduced, under the action of the fifth compression spring 74, the permanent magnet 72 approaches the center of the friction disc 71, so that the distance between the permanent magnet 72 and the friction ring 34 is increased, the pressure between the surface of the friction ring 34 and the side surface of the friction disc 71 is reduced, the friction force between the surface of the friction ring and the side surface of the friction disc 71 is reduced, the resistance applied to the friction disc 7 is reduced, under the condition that the driving force is a fixed value, the rotating speed of the friction disc 7 can slowly rise, after the driving force is circulated back and forth for several times, the rotating speed of the friction disc 7 is kept at a fixed value, the heat generated by the friction between the friction disc 7 and the bottom surface of the pot body 4 is also at a fixed value, and the purpose of constant temperature heat supply is achieved.
Preferably, the lower surface of the pot body 4 is made of a wear-resistant and high-temperature-resistant metal material, and the upper surface of the friction disc 71 of the friction disc 7 is made of a friction sheet material and is easier to wear than the material of the lower surface of the pot body 4.
Wherein, the pot body can not be worn too fast, the service life of the pot body can be ensured, and the friction plate can be replaced, so that the pot body can be used all the time.
The driving device 10 is a labor-saving lever or a wind-driven fan.
The working principle or the using method is as follows:
kinetic energy is transmitted to the power input shaft 2 through the driving device 10, the kinetic energy is transmitted to the rotary gear disc 5 through the matching of the first bevel gear 21 on the power input shaft 2 and the second bevel gear 51 on the rotary gear disc 5, the rotary gear disc 5 rotates to drive the spiral spring 6 to rotate so as to enhance the elasticity of the spiral spring, the inner ring of the spiral spring 6 is connected with the friction disc 7, thereby converting the elastic force into the rotation power to be transmitted to the friction disk 7, the friction disk 7 and the pan body 4 generate heat through friction, thereby being capable of cooking dishes, boiling water and cooking, because the spiral spring 6 is a fixed torque spiral spring, therefore, when the kinetic energy provided by the external driving device is relatively large, the energy can be converted into the elastic force of the spiral spring for storage, when the kinetic energy provided by the external driving device is small or nonexistent, the elastic force of the spiral spring is released, and the cooking, water boiling and cooking can be carried out.
When the friction disc 7 starts to rotate, the permanent magnet 72 in the magnet sliding hole 76 slides outwards under the action of centrifugal force to compress the fifth compression spring 74, at this time, the distance between the permanent magnet 72 and the friction ring 34 is reduced, so that the friction ring 34 is influenced by magnetic force, further the friction ring 34 slides out towards the friction disc 71, and the fourth compression spring 33 is compressed, when the rotation speed of the friction disc 7 is too high, the permanent magnet 72 slides outwards under the action of centrifugal force, so that the magnetic force received by the friction ring 34 is larger, the pressure between the surface of the friction ring 34 and the side surface of the friction disc 71 is larger, the friction force between the surface of the friction ring 34 and the side surface of the friction disc 71 is larger, the resistance received by the friction disc 7 is larger, and the spiral spring 6 providing the rotation power is a constant-torque spiral spring, so that the rotation speed of the friction disc 7 is slowly reduced under the condition that the driving force is a constant value, in the process of reducing the rotating speed of the friction disc 7, the centrifugal force applied to the permanent magnet 72 is reduced, under the action of the fifth compression spring 74, the permanent magnet 72 approaches the center of the friction disc 71, so that the distance between the permanent magnet 72 and the friction ring 34 is increased, the pressure between the surface of the friction ring 34 and the side surface of the friction disc 71 is reduced, the friction force between the surface of the friction ring and the side surface of the friction disc 71 is reduced, the resistance applied to the friction disc 7 is reduced, under the condition that the driving force is a fixed value, the rotating speed of the friction disc 7 can slowly rise, after the driving force is circulated back and forth for several times, the rotating speed of the friction disc 7 is kept at a fixed value, the heat generated by the friction between the friction disc 7 and the bottom surface of the pot body 4 is also at a fixed value, and the purpose of constant temperature heat supply is achieved.
When the rotary gear disc 5 rotates anticlockwise, the stop bar 53 presses the slope surface of the 7-shaped reverse blocking plate 91, the 7-shaped reverse blocking plate 91 can move downwards to compress the second compression spring 92, after the stop bar 53 cuts the 7-shaped reverse blocking plate 91, the 7-shaped reverse blocking plate 91 tilts upwards under the action of the second compression spring 92 to be pressed against the lower surface of the rotary gear disc 5, and when the rotary gear disc 5 wants to rotate clockwise, the 7-shaped reverse blocking plate 91 tilts up to stop the stop bar 53, so that the stop bar cannot rotate, and the rotary gear disc 5 can only rotate in one direction.
The above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.
Claims (8)
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| Application Number | Priority Date | Filing Date | Title |
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| CN202110167182.1A CN112704401B (en) | 2021-02-07 | 2021-02-07 | A uniform friction constant temperature heating pot |
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| CN202110167182.1A CN112704401B (en) | 2021-02-07 | 2021-02-07 | A uniform friction constant temperature heating pot |
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| CN112704401A CN112704401A (en) | 2021-04-27 |
| CN112704401B true CN112704401B (en) | 2021-10-08 |
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| CN115902328B (en) * | 2022-12-26 | 2023-07-04 | 国网黑龙江省电力有限公司供电服务中心 | Electric energy meter constant temperature device and constant temperature method in alpine region |
| CN118289852B (en) * | 2024-04-22 | 2025-03-25 | 安徽省万企天成科技有限公司 | A sewage treatment device with chemical sewage treatment function |
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Denomination of invention: A constant temperature heat supply pot with uniform friction Effective date of registration: 20220624 Granted publication date: 20211008 Pledgee: Yongkang Branch of China Construction Bank Co.,Ltd. Pledgor: ZHEJIANG COOKER KING COOKER Co.,Ltd. Registration number: Y2022330001100 |
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Granted publication date: 20211008 Pledgee: Yongkang Branch of China Construction Bank Co.,Ltd. Pledgor: ZHEJIANG COOKER KING COOKER Co.,Ltd. Registration number: Y2022330001100 |
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Denomination of invention: A constant speed friction constant temperature heating pot Granted publication date: 20211008 Pledgee: Yongkang Branch of China Construction Bank Co.,Ltd. Pledgor: ZHEJIANG COOKER KING COOKER Co.,Ltd. Registration number: Y2024980003405 |
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Granted publication date: 20211008 Pledgee: Yongkang Branch of China Construction Bank Co.,Ltd. Pledgor: ZHEJIANG COOKER KING COOKER Co.,Ltd. Registration number: Y2024980003405 |
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| PC01 | Cancellation of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of invention: A constant speed friction constant temperature heating pot Granted publication date: 20211008 Pledgee: Yongkang Branch of China Construction Bank Co.,Ltd. Pledgor: ZHEJIANG COOKER KING COOKER Co.,Ltd. Registration number: Y2025980004935 |
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