CN105627214A - Light mixing LED lamp - Google Patents
Light mixing LED lamp Download PDFInfo
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- CN105627214A CN105627214A CN201610088264.6A CN201610088264A CN105627214A CN 105627214 A CN105627214 A CN 105627214A CN 201610088264 A CN201610088264 A CN 201610088264A CN 105627214 A CN105627214 A CN 105627214A
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- led lamp
- light
- lamp bead
- plant
- light led
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- 239000011324 bead Substances 0.000 claims abstract description 60
- 241001025261 Neoraja caerulea Species 0.000 claims description 7
- 230000001276 controlling effect Effects 0.000 abstract description 2
- 230000001105 regulatory effect Effects 0.000 abstract description 2
- 230000000886 photobiology Effects 0.000 abstract 1
- 230000001502 supplementing effect Effects 0.000 abstract 1
- 241000196324 Embryophyta Species 0.000 description 69
- 238000005286 illumination Methods 0.000 description 15
- 230000012010 growth Effects 0.000 description 7
- 230000029553 photosynthesis Effects 0.000 description 6
- 238000010672 photosynthesis Methods 0.000 description 6
- 230000003203 everyday effect Effects 0.000 description 5
- 230000033228 biological regulation Effects 0.000 description 4
- 230000002045 lasting effect Effects 0.000 description 4
- 238000011161 development Methods 0.000 description 3
- 230000018109 developmental process Effects 0.000 description 3
- 230000007613 environmental effect Effects 0.000 description 3
- 230000008635 plant growth Effects 0.000 description 3
- 238000002835 absorbance Methods 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- 238000012258 culturing Methods 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000011534 incubation Methods 0.000 description 2
- 230000011218 segmentation Effects 0.000 description 2
- 238000003786 synthesis reaction Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 210000003763 chloroplast Anatomy 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 235000013399 edible fruits Nutrition 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- QSHDDOUJBYECFT-UHFFFAOYSA-N mercury Chemical compound [Hg] QSHDDOUJBYECFT-UHFFFAOYSA-N 0.000 description 1
- 229910052753 mercury Inorganic materials 0.000 description 1
- 230000004060 metabolic process Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000000243 photosynthetic effect Effects 0.000 description 1
- 239000000049 pigment Substances 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 230000007363 regulatory process Effects 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 238000001228 spectrum Methods 0.000 description 1
- 230000017260 vegetative to reproductive phase transition of meristem Effects 0.000 description 1
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
- F21S8/00—Lighting devices intended for fixed installation
- F21S8/08—Lighting devices intended for fixed installation with a standard
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01G—HORTICULTURE; CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPS OR SEAWEED; FORESTRY; WATERING
- A01G7/00—Botany in general
- A01G7/04—Electric or magnetic or acoustic treatment of plants for promoting growth
- A01G7/045—Electric or magnetic or acoustic treatment of plants for promoting growth with electric lighting
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V21/00—Supporting, suspending, or attaching arrangements for lighting devices; Hand grips
- F21V21/14—Adjustable mountings
- F21V21/22—Adjustable mountings telescopic
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V21/00—Supporting, suspending, or attaching arrangements for lighting devices; Hand grips
- F21V21/14—Adjustable mountings
- F21V21/30—Pivoted housings or frames
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V23/00—Arrangement of electric circuit elements in or on lighting devices
- F21V23/003—Arrangement of electric circuit elements in or on lighting devices the elements being electronics drivers or controllers for operating the light source, e.g. for a LED array
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P60/00—Technologies relating to agriculture, livestock or agroalimentary industries
- Y02P60/14—Measures for saving energy, e.g. in green houses
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Biodiversity & Conservation Biology (AREA)
- Botany (AREA)
- Ecology (AREA)
- Forests & Forestry (AREA)
- Environmental Sciences (AREA)
- Cultivation Of Plants (AREA)
Abstract
The invention discloses a light mixing LED lamp used for plant cultivating. The light mixing LED lamp comprises LED lamp bodies and a lamp frame. Each LED lamp body comprises red light LED lamp beads, far red light LED lamp beads, blue light LED lamp beads and green light LED lamp beads, the number proportion of the red light LED lamp beads to the far red light LED lamp beads to the blue light LED lamp beads to the green light LED lamp beads is 5-7:1-2:1:1, and the power of each LED lamp bead is 1 W. The lamp frame is provided with a lamp base and a supporting bracket. The multiple LED lamp bodies are arranged on the supporting bracket at intervals. The distance among the LED lamp beads is 1.5-3 cm. The green light LED lamp beads are uniformly distributed on the outermost periphery of the light LED lamp beads, and the number of the green light LED lamp beads is no less than three. The light mixing LED lamp is small in occupied space and capable of being flexibly applied to plant cultivating or light supplementing operation according to plant photobiology requirements, the light intimidation is reduced, and the biological benefit of light environment regulating and controlling is achieved to the greatest extent.
Description
Technical field
The present invention relates to field of LED illumination. It is more particularly related to a kind of mixed light LED lamp for plant culturing.
Background technology
In modernization plant factor production system, artificial light environment is one of indispensable important physical environmental factors of growth and development of plants, artificial culture plant can avoid the restriction that plant growing is brought by different geographical environmental and climatic changes, by regulating and controlling luminous environment, regulate photosynthetic pigments, light receptor function influence C N metabolism, can finally control the growth of plant forms and improve fruit quality.
It is conventionally used to artificially lighting light source and mainly has electric filament lamp, daylight lamp, high-pressure mercury lamp etc., but these light source energy consumptions are high, operation cost is higher. Compared with these traditional energies, LED has that light source is pure, type of wavelength is many, energy-conserving and environment-protective, long service life, heating less with the advantage such as easily controllable, be the first-selection of energy-conserving and environment-protective light source. LED as the using light source in plant culturing field, has and can modulate wide spectrum according to the demand of growth and development of plants, on-demand carries out light filling, and biologicak efficiency is high; As cold light source, it is possible to press close to plant surface and be irradiated, space availability ratio is high; The regulation and control such as light intensity, light quality and photoperiod accuracy is high, is suitable to factorial praluction; The advantages such as energy-saving and environmental protection, life-span length, LED application in agricultural and biology has become the frontier of LED industry development. But at present in the artificial culture of plant or artificially feed process, also exist that light quality proportioning is unreasonable, excessively the exciting of light, the blindly problems such as invalid illumination phenomenon is serious, the efficiency of light energy utilization is low.
Summary of the invention
It is an object of the invention to solve at least the above and/or defect, and the advantage that at least will be described later is provided.
It is a still further object of the present invention to provide a kind of mixed light LED lamp, it occupies little space, and according to the biological requirement of Plant Light, can be applied in cultivation or the light filling operation of plant flexibly, reduce coercing of illumination, the biological yields of maximum performance luminous environment regulation and control.
In order to realize these purposes according to the present invention and further advantage, it is provided that a kind of mixed light LED lamp, for the cultivation of plant, comprising:
LED, it has a number ratio is the HONGGUANG of 5��7:1��2:1:1, far-red light, blue light and green light LED lamp bead, and the power of every LEDs lamp bead is 1W;
Lamp bracket, it has lamp socket and bracing frame, and support frame as described above is spaced multiple described LED;
Wherein, described LED lamp bead spacing each other is 1.5��3cm;
Wherein, described green light LED lamp bead is evenly distributed on the outermost of LED lamp bead, and the quantity of described green light LED lamp bead is no less than 3.
Preferably, wherein, the wavelength of the light source that described red-light LED lamp bead sends is 620��650nm, the wavelength of the light source that described far-red light LED lamp bead sends is 700��720nm, the wavelength of the light source that described blue-ray LED lamp bead sends is 450��480nm, and the wavelength of the light source that described green light LED lamp bead sends is 530��550nm.
Preferably, wherein, in described LED, the quantity of LED lamp bead is 27��55, to guarantee the intensity of illumination needed for photosynthesis of plant.
Preferably, wherein, the distance of described LED distance plant is 0.8��1.5 meter, while guaranteeing light illumination efficiency, improves irradiated area.
Preferably, wherein, described HONGGUANG, far-red light, blue light and green light LED lamp bead are alternately uniformly installed in LED.
Preferably, wherein, in single led lamp, HONGGUANG, far-red light and blue-ray LED lamp bead are controlled by a controller, green light LED lamp bead is controlled by another controller, in the incubation of plant, continue 14��18h every day with HONGGUANG, far-red light and blue light irradiate plant simultaneously, the needs of photosynthesis of plant can be met, remaining time irradiates plant only with single green glow, can promote plant Repiration, accelerate plant growing, although wherein the absorbance of far red light plant is not high, but in red blue light plasmogamy ratio, add a small amount of far red light, the synthesis of plant inclusions can be stimulated, improve plant products.
Preferably, wherein, support frame as described above is provided with six LED altogether, described LED is symmetrically set in the both sides of support frame as described above, and described LED is rotatably located on support frame as described above, to improve the range of exposures of LED lamp, and the direction of illumination of LED can be adjusted as required flexibly.
Preferably, wherein, support frame as described above is scalable setting, to be adapted to the needs of differing heights plant.
The present invention at least includes following beneficial effect:
(1) LED light source of the present invention arrangement is rationally, light source needed for offer plant growing from the side, when avoiding end face irradiation, effective light transmission is affected and the light efficiency decrease problem that causes owing to plant leaf shades one another, the lasting illumination of plant growing or intermittent light filling can be used for flexibly, significantly improve the plant utilization ratio to light;
(2) the light fixture of the present invention biological regularity appropriate design light quality proportioning according to plant, Plant Light environment is carried out segmentation regulation and control, avoid what long-time illumination brought to coerce, and adopt the plant that photosynthesis is terminated by green glow suitably to regulate, promote the Repiration of plant, accelerate plant growing;
(3) present invention is simple to operate, and range of exposures is wide, and the life-span is long, in limited space, can need according to plant growing freedom and flexibility carrying out many groups light fixture with the use of.
Part is embodied by the further advantage of the present invention, target and feature by description below, and part is also by by being understood by those skilled in the art the research of the present invention and practice.
Accompanying drawing explanation
Fig. 1 is the structural representation of mixed light LED lamp in one embodiment of the present of invention;
Fig. 2 is the structural representation of LED in another example of the present invention;
Fig. 3 is the arrangement schematic diagram of LED lamp bead in another embodiment of the present invention;
Fig. 4 is the arrangement schematic diagram of LED lamp bead in another embodiment of the present invention.
In figure: 1, LED, 2, lamp socket, 3, bracing frame, 4, LED lamp bead,Represent green light.
Detailed description of the invention
Below in conjunction with accompanying drawing, the present invention is described in further detail, to make those skilled in the art can implement according to this with reference to description word.
Should be appreciated that used herein such as " have ", existence or the interpolation of other elements one or more or its combination do not allotted in " comprising " and " including " term.
Fig. 1��Fig. 4 illustrates a kind of way of realization according to the present invention, and it is for the cultivation of plant, comprising:
LED 1, it has a number ratio is the HONGGUANG of 5��7:1��2:1:1, far-red light, blue light and green light LED lamp bead 4, and the power of every LEDs lamp bead is 1W;
Lamp bracket, it has lamp socket 2 and bracing frame 3, and support frame as described above is spaced multiple described LED;
Wherein, described LED lamp bead spacing each other is 1.5��3cm, not only ensures the heat radiation of light fixture but also improve its irradiated area;
Wherein, with reference to Fig. 3 and Fig. 4, described green light LED lamp bead is evenly distributed on the outmost turns of LED lamp bead, and to improve the range of exposures of green glow, and the quantity of described green light LED lamp bead is no less than 3, to ensure green glow light intensity.
In this technical scheme, according to plant it needs to be determined that the distance of the suitable ratio of HONGGUANG, far-red light and blue light, mixed light and green glow graded irradiation time, direction of illumination and lamp bracket distance plant, control and regulate the growth cycle of plant, flowering time, stomatal opening, chloroplast expression etc., with satisfied different plant varieties and same plant at the different growth periods needs to light quality.
In such scheme, the wavelength of the light source that described red-light LED lamp bead sends is 620��650nm, the wavelength of the light source that described far-red light LED lamp bead sends is 700��720nm, the wavelength of the light source that described blue-ray LED lamp bead sends is 450��480nm, and the wavelength of the light source that described green light LED lamp bead sends is 530��550nm.
In such scheme, in described LED, the quantity of LED lamp bead is 27��55, to guarantee the intensity of illumination needed for photosynthesis of plant.
In such scheme, the distance of described LED distance plant is 0.8��1.5 meter, while guaranteeing light illumination efficiency, improves irradiated area.
In such scheme, described HONGGUANG, far-red light, blue light and green light LED lamp bead are uniformly alternately installed in LED.
In such scheme, in single led lamp, HONGGUANG, far-red light and blue-ray LED lamp bead are controlled by a controller, green light LED lamp bead is controlled by another controller, in the incubation of plant, continue 14��18h every day with HONGGUANG, far-red light and blue light irradiate plant simultaneously, the needs of photosynthesis of plant can be met, remaining time irradiates plant only with single green glow, can promote plant Repiration, accelerate plant growing, although wherein the absorbance of far red light plant is not high, but in red blue light plasmogamy ratio, add a small amount of far red light, the synthesis of plant inclusions can be stimulated, improve plant products.
In such scheme, seeing figures.1.and.2, support frame as described above is provided with six LED altogether, described LED is symmetrically set in the both sides of support frame as described above, and described LED is rotatably located on support frame as described above, to increase the scope of LED illumination.
In such scheme, support frame as described above is scalable setting, to be adapted to the needs of differing heights plant.
In another example, by the lamp applications of the present invention in the growth regulating process of Radix Raphani, Radix Raphani is cultivated respectively under the following conditions:
A. natural growthing condition;
B. artificial LED white light 14��18h every day;
C. applying this light fixture lasting 14��18h every day and irradiate plant with HONGGUANG, far-red light and blue light simultaneously, remaining time irradiates plant only with single green glow, and wherein, the ratio that HONGGUANG, far-red light, blue light and green light LED lamp bead are lighted is 5��7:1��2:1:1;
D. applying this light fixture lasting 14��18h every day and irradiate plant with HONGGUANG, far-red light and blue light simultaneously, do not adopt remaining time artificial light to irradiate plant, plant is in dark, and wherein, the ratio that HONGGUANG, far-red light and blue-ray LED lamp bead are lighted is 5��7:1��2:1.
The above-mentioned Radix Raphani cultivated at different conditions respectively growing state after 30 days, 40 days, 60 days and 70 days successively is in Table 1.
The growing state of Radix Raphani under table 1 different illumination conditions
As can be seen from Table 1, condition of culture b and a compares, and relative to the Radix Raphani of growth under natural growthing condition, manually operated LED white light can provide more stable light source to plant, and plant growth rate increases;
Condition of culture c and b compares, light fixture of the present invention provide by HONGGUANG, far-red light and what blue light form mixed light have adjustment effect more significantly than the Radix Raphani grown under LED white light, the growth rate of Radix Raphani is faster;
Condition of culture c and d compares, it can be seen that after the mixed light prolonged exposure of HONGGUANG, far-red light and blue light composition, uses the irradiation that green glow carries out a period of time can promote the Repiration of plant, stimulates the growth of plant.
Number of devices described herein and treatment scale are used to the explanation of the simplification present invention. The application of mixed light LED lamp of the present invention, modifications and variations be will be readily apparent to persons skilled in the art.
As mentioned above, LED light source of the present invention arrangement is rationally, light source needed for offer plant growing from the side, when avoiding end face irradiation, effective light transmission is affected and the light efficiency that causes reduces owing to plant leaf shades one another, the lasting illumination of plant growing or intermittent light filling can be used for flexibly, significantly improve the plant utilization ratio to light;
In addition, the light fixture of the present invention biological regularity appropriate design light quality proportioning according to plant, Plant Light environment is carried out segmentation regulation and control, avoid what long-time illumination brought to coerce, and adopt the plant that photosynthesis is terminated by green glow suitably to regulate, promote the Repiration of plant, accelerate plant growing;
Additionally, the present invention is simple to operate, range of exposures is wide, and the life-span is long, in limited space, can need according to plant growing freedom and flexibility carrying out many groups light fixture with the use of.
Although embodiment of the present invention are disclosed as above, but it is not restricted in description and embodiment listed utilization. It can be applied to various applicable the field of the invention completely. For those skilled in the art, it is easily achieved other amendment. Therefore, under the general concept limited without departing substantially from claim and equivalency range, the present invention is not limited to specific details and shown here as the legend with description.
Claims (8)
1. a mixed light LED lamp, for the cultivation of plant, it is characterised in that including:
LED, it has a number ratio is the HONGGUANG of 5��7:1��2:1:1, far-red light, blue light and green light LED lamp bead, and the power of every LEDs lamp bead is 1W;
Lamp bracket, it has lamp socket and bracing frame, and support frame as described above is spaced multiple described LED;
Wherein, described LED lamp bead spacing each other is 1.5��3cm;
Wherein, described green light LED lamp bead is evenly distributed on the outermost of LED lamp bead, and the quantity of described green light LED lamp bead is no less than 3.
2. the mixed light LED lamp as described in right 1, it is characterized in that, the wavelength of the light source that described red-light LED lamp bead sends is 620��650nm, the wavelength of the light source that described far-red light LED lamp bead sends is 700��720nm, the wavelength of the light source that described blue-ray LED lamp bead sends is 450��480nm, and the wavelength of the light source that described green light LED lamp bead sends is 530��550nm.
3. the mixed light LED lamp as described in right 1, it is characterised in that in each LED, the quantity of LED lamp bead is 27��55.
4. the mixed light LED lamp as described in right 1, it is characterised in that the distance of described LED distance plant is 0.8��1.5 meter.
5. the mixed light LED lamp as described in right 1, it is characterised in that described HONGGUANG, far-red light, blue light and green light LED lamp bead are uniformly alternately installed in LED.
6. the mixed light LED lamp as described in right 1, it is characterised in that in single led lamp, HONGGUANG, far-red light and blue-ray LED lamp bead are controlled by a controller, and green light LED lamp bead is controlled by another controller.
7. the mixed light LED lamp as described in right 1, it is characterised in that be provided with six LED on support frame as described above altogether, described LED is symmetrically set in the both sides of support frame as described above, and described LED is rotatably located on support frame as described above.
8. the mixed light LED lamp as described in right 1, it is characterised in that support frame as described above is scalable setting.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610088264.6A CN105627214B (en) | 2016-02-17 | 2016-02-17 | A kind of light mixing LED lamp |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610088264.6A CN105627214B (en) | 2016-02-17 | 2016-02-17 | A kind of light mixing LED lamp |
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| Publication Number | Publication Date |
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| CN105627214A true CN105627214A (en) | 2016-06-01 |
| CN105627214B CN105627214B (en) | 2019-02-01 |
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| CN201610088264.6A Active CN105627214B (en) | 2016-02-17 | 2016-02-17 | A kind of light mixing LED lamp |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107781712A (en) * | 2016-08-24 | 2018-03-09 | 广州达森灯光股份有限公司 | A kind of plant growth lamp for rotating light filling |
| CN109099366A (en) * | 2018-08-27 | 2018-12-28 | 深圳福凯半导体技术股份有限公司 | plant growth lamp |
| CN111264216A (en) * | 2020-03-28 | 2020-06-12 | 上海市农业科学院 | Device for improving tomato quality and yield and light supplementing method |
| CN113396725A (en) * | 2021-07-19 | 2021-09-17 | 余姚唐鸿国际贸易有限公司 | Plant growth lamp for controlling photosynthesis and respiration of plants based on timed opening and closing of light wave band |
| WO2022022269A1 (en) * | 2020-07-31 | 2022-02-03 | 福建省中科生物股份有限公司 | Method for promoting growth of root tubers of rhizome-type medicinal materials in plant factories |
| WO2022048302A1 (en) * | 2020-09-03 | 2022-03-10 | 福建省中科生物股份有限公司 | Method for accelerating vegetative growth to reproductive growth of leafy vegetables |
| PL73439Y1 (en) * | 2022-07-25 | 2024-04-29 | Groupe Adeo | Column lamp with a flexibly adjustable lamp head |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107781712A (en) * | 2016-08-24 | 2018-03-09 | 广州达森灯光股份有限公司 | A kind of plant growth lamp for rotating light filling |
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| PL73439Y1 (en) * | 2022-07-25 | 2024-04-29 | Groupe Adeo | Column lamp with a flexibly adjustable lamp head |
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| CN105627214B (en) | 2019-02-01 |
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Effective date of registration: 20191009 Address after: Fenghuang Village city Taicang town Suzhou city Jiangsu province 215400 Patentee after: Taicang he circuit board Co., Ltd. Address before: Hu high tech Zone of Suzhou City, Jiangsu province 215151 Guan Hu Yang Road No. 88 Patentee before: Suzhou Jiayida Electrical Appliances Co.,Ltd. |
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