CN104012341A - Terrestrial heat air regulation and ventilation type solar greenhouse - Google Patents
Terrestrial heat air regulation and ventilation type solar greenhouse Download PDFInfo
- Publication number
- CN104012341A CN104012341A CN201410271571.9A CN201410271571A CN104012341A CN 104012341 A CN104012341 A CN 104012341A CN 201410271571 A CN201410271571 A CN 201410271571A CN 104012341 A CN104012341 A CN 104012341A
- Authority
- CN
- China
- Prior art keywords
- greenhouse
- section
- solar heat
- heat
- type greenhouse
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 238000009423 ventilation Methods 0.000 title claims abstract description 20
- 239000007788 liquid Substances 0.000 claims description 11
- 238000001704 evaporation Methods 0.000 claims description 8
- 230000008020 evaporation Effects 0.000 claims description 8
- 230000005494 condensation Effects 0.000 claims description 7
- 238000009833 condensation Methods 0.000 claims description 7
- CSCPPACGZOOCGX-UHFFFAOYSA-N Acetone Chemical compound CC(C)=O CSCPPACGZOOCGX-UHFFFAOYSA-N 0.000 claims description 6
- 238000009835 boiling Methods 0.000 claims description 5
- 239000003570 air Substances 0.000 description 11
- 201000010099 disease Diseases 0.000 description 5
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 description 5
- 240000008067 Cucumis sativus Species 0.000 description 4
- 235000010799 Cucumis sativus var sativus Nutrition 0.000 description 4
- 241000233679 Peronosporaceae Species 0.000 description 3
- 239000012080 ambient air Substances 0.000 description 2
- 230000017525 heat dissipation Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 239000011148 porous material Substances 0.000 description 2
- 230000009466 transformation Effects 0.000 description 2
- 230000007547 defect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 239000011888 foil Substances 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012913 prioritisation Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 235000013311 vegetables Nutrition 0.000 description 1
Classifications
-
- 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
- A01G9/00—Cultivation in receptacles, forcing-frames or greenhouses; Edging for beds, lawn or the like
- A01G9/14—Greenhouses
-
- 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
- A01G9/00—Cultivation in receptacles, forcing-frames or greenhouses; Edging for beds, lawn or the like
- A01G9/24—Devices or systems for heating, ventilating, regulating temperature, illuminating, or watering, in greenhouses, forcing-frames, or the like
-
- 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
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A40/00—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production
- Y02A40/10—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production in agriculture
- Y02A40/25—Greenhouse technology, e.g. cooling systems therefor
Abstract
The invention discloses a terrestrial heat air regulation and ventilation type solar greenhouse. The terrestrial heat air regulation and ventilation type solar greenhouse comprises a rear wall, a gable wall, a front footing slope, a greenhouse frame and a greenhouse film. A cultivation bed is located below the ground plane. The front footing slope is provided with a plurality of ventilation openings. A tubular conduction part and a ventilation pipeline are buried in the bottom of the front footing slope, and the ventilation pipeline is communicated with the tubular conduction part, the ventilation openings and the external air. The front footing slope is provided with the ventilation openings and the ventilation pipeline communicated with the external air so that the high-humidity environment of the front portion of the greenhouse can be effectively and quickly improved, and the external cold air can be prevented from entering the greenhouse directly.
Description
Technical field
The present invention relates to a kind of greenhouse by solar heat, specifically, relate to a kind of utilize underground heat adjust wind ventilation under dig formula greenhouse by solar heat, belong to vegetable growing technical field.
Background technology
At present, dig formula greenhouse by solar heat under traditional, comprise rear wall, gable, cultivation bed, front footing slope, frame and canopy film, its ventilating opening is arranged on the frame of rear wall top, and at Winter-Spring low temperature season, the ventilating opening by top leaks informaton.
In realizing invention process, inventor finds at least to exist in prior art following problem: owing to digging formula greenhouse by solar heat under traditional, can only leak informaton by the ventilating opening at top, circulating effect is poor, causes the anterior high humidity in greenhouse, causes greenhouse that disease easily occurs.In order to overcome the drawback of digging formula greenhouse by solar heat under traditional, aforementioned inventor discloses under a kind of and has dug the preposition greenhouse by solar heat of formula ventilating opening (publication number CN203597175U), but this type greenhouse by solar heat still exists ventilation speed slow, and in ventilation process, cold air easily enters the defect in greenhouse.
Summary of the invention
The technical problem to be solved in the present invention is for above deficiency, and a kind of underground heat is adjusted wind ventilating type greenhouse by solar heat, when being conducive to improve the high humidity environment of front portion, greenhouse, prevents that cool ambient air from directly entering in greenhouse.
For solving above technical problem, the present invention by the following technical solutions: a kind of underground heat is adjusted wind ventilating type greenhouse by solar heat, has front footing slope, it is characterized in that: on described front footing slope, open the air channel that several are communicated with ambient atmosphere;
In the bottom in air channel, be embedded with for deep ground temperature being conducted to the tubulose conducting piece of plough horizon.
A prioritization scheme, described tubulose conducting piece be vertically embedded in air channel under.
Further, the upper end of described tubulose conducting piece is exposed in air channel.
Further, described air channel has traversing section, the section of expanding and the vertical section being communicated with successively;
Further, the junction on described traversing section and front footing slope has ventilating opening, and vertical section is communicated with atmosphere.
Further, the metallic cylindrical tube that described tubulose conducting piece is the Vacuum Package that adopts normal temperature heat pipe (0-250 ℃) heat dissipation technology and design, contains boiling point low, volatile liquid, one end is evaporation ends, and the other end is condensation end, and tubulose conducting piece is imbedded underground rear evaporation ends away from ground.
Further, in described tubulose conducting piece, liquid is acetone.
Further, described greenhouse by solar heat has cultivation bed, and cultivation berth is in the following 1.0m of ground level; Horizontal interval between adjacent ventilating opening is 3.0m.
Further, described traversing section diameter 30cm, long 2.0m, traversing section topmost is apart from ground 35cm;
The described section of expanding diameter 40cm, long 40cm, the section of expanding topmost is apart from ground 30cm;
Described vertical segment length 1.2m, vertical section is vertical with traversing section.
Further, the long 6.5m of described tubulose conducting piece, thick 10cm, the length that condensation end stretches in the ventilation shaft section of expanding is 20cm.
Further, the top of described vertical section is provided with and turns a collar extension.
The present invention adopts after above technical scheme, compared with prior art, has the following advantages:
(1) ventilating opening and the ventilation shaft that ambient atmosphere is communicated with is set on front footing slope, can effectively improves the high humidity environment of front portion, greenhouse, reduce disease and occur.
(2) in the bottom on front footing slope, be embedded with ventilation shaft and tubulose conducting piece, tubulose conducting piece can transmit underground heat fast, the following ground temperature of guiding 6m rapidly increases to ventilation shaft, when the cold sky in the external world has a heating process during by ventilation shaft, effectively prevent that cool ambient air from directly entering in greenhouse.
(3) can accelerate the inside and outside gas in greenhouse and exchange speed, the short time completes ventilation.
Below in conjunction with drawings and Examples, the present invention is described in detail.
Accompanying drawing explanation
Accompanying drawing 1 is the structural representation of greenhouse by solar heat in the embodiment of the present invention;
In figure,
1-cultivates bed, footing slope before 2-, and 3-traversing section, the 4-section of expanding, 5-vertical section, 6-tubulose conducting piece, 7-turns a collar extension, 8-ventilating opening.
Embodiment
The present embodiment is for the ease of understanding the present invention, and the claim not limiting the present invention in any way and core content.
Embodiment, as shown in Figure 1, a kind of underground heat is adjusted wind ventilating type greenhouse by solar heat, comprises rear wall, gable, cultivation bed 1, front footing slope 2, frame and canopy film, opens the air channel that several are communicated with ambient atmosphere on front footing slope 2; In the bottom in air channel, be embedded with for deep ground temperature being conducted to the tubulose conducting piece 6 of plough horizon, tubulose conducting piece 6 be vertically embedded in air channel under, the upper end of tubulose conducting piece 6 is exposed in air channel, and air channel has traversing section 3, the section of expanding 4 and the vertical section 5 being communicated with successively; Traversing section 3 has ventilating opening 8 with the junction on front footing slope 2, and vertical section 5 is communicated with atmosphere, and cultivation bed 1 is positioned at the following 1.0m of ground level; Horizontal interval between adjacent ventilating opening 8 is 3.0m, traversing section 3 diameter 30cm, and long 2.0m, traversing section 3 topmosts are apart from ground 35cm; The section of expanding 4 diameter 40cm, long 40cm, the section of expanding 4 topmosts are apart from ground 30cm; The long 1.2m of vertical section 5, vertical section 5 is vertical with traversing section 3, and the top of vertical section 5 is provided with turns a collar extension 7, the metallic cylindrical tube that tubulose conducting piece 6 is Vacuum Package, contains boiling point low, volatile liquid, one end is evaporation ends, the other end is condensation end, imbeds underground rear evaporation ends away from ground, the long 6.5m of tubulose conducting piece 6, thick 10cm, the length that condensation end stretches in the ventilation shaft section of expanding 4 is 20cm, only draws the sectional view of greenhouse by solar heat in accompanying drawing, and gable does not draw.
In the embodiment of the present invention, tubulose conducting piece 3 is a kind of large-scale heat pipes that adopt normal temperature heat pipe (0-250 ℃) heat dissipation technology to design, and shell, liquid-sucking core and end cap, consists of, and inside is to be pumped into 1.3 * 10
-1-1.3 * 10
-4the negative pressure state of Pa, is filled with suitable liquid, and this boiling point of liquid is low, easily volatilization.Tube wall has liquid-sucking core, and it consists of capillary porous material.Heat pipe one end is evaporation ends, one end is condensation end in addition, when heat pipe one end is heated, liquid in capillary evaporates rapidly, and steam flows to other one end under small pressure differential, and releases heat, regelation becomes liquid, liquid flows back to evaporation ends along porous material by the effect of capillary force again, and so circulation is more than, and heat reaches other one end by heat pipe one end.This circulation is carried out fast, and heat can be come by conduction continuously.Innovative point of the present invention does not lie in heat pipe structure itself, so long as can realize the conducting piece of described function.
Test, Shouguang City, Shandong Province, by the common greenhouse by solar heat 1/3 improvement cost invention structure of five plantation cucumber, under 1/3 transformation, dig the preposition greenhouse by solar heat of formula ventilating opening (CN203597175U) structure, 1/3 structure is constant, centre separates (being equivalent to gable) with plastic foil, and other control measures are identical.Through test, cucumber in solar-greenhouse downy mildew incidence of disease average out to 2.5% of the present invention, under dig the preposition cucumber in solar-greenhouse downy mildew of formula ventilating opening incidence of disease average out to 5.7%, common contrast part cucumber downy mildew incidence of disease average out to 21.8%; 667m of the present invention
2cucumber yield average out to 23615kg, under dig the preposition greenhouse by solar heat 667m of formula ventilating opening
2cucumber yield average out to 20521kg, common contrast part 667m
2cucumber yield average out to 17857kg, digs the preposition greenhouse by solar heat of formula ventilating opening under the present invention's ratio and common contrast increases production respectively 15.1%, 32.2%.
It should be noted that: low, the volatile liquid of heat pipe mid-boiling point mostly is organic chemicals, is acetone in the present embodiment, and the consumption of every heat pipe is 150ml.
The above is giving an example of best mode for carrying out the invention, and the part of wherein not addressing is in detail those of ordinary skills' common practise.Protection scope of the present invention is as the criterion with the content of claim, and any equivalent transformation carrying out based on technology enlightenment of the present invention, also within protection scope of the present invention.
Claims (10)
1. underground heat is adjusted a wind ventilating type greenhouse by solar heat, has front footing slope (2), it is characterized in that: on described front footing slope (2), open the air channel that several are communicated with ambient atmosphere;
In the bottom in air channel, be embedded with for deep ground temperature being conducted to the tubulose conducting piece (6) of plough horizon.
2. underground heat as claimed in claim 1 is adjusted wind ventilating type greenhouse by solar heat, it is characterized in that: described tubulose conducting piece (6) be vertically embedded in air channel under.
3. underground heat as claimed in claim 1 is adjusted wind ventilating type greenhouse by solar heat, it is characterized in that: the upper end of described tubulose conducting piece (6) is exposed in air channel.
4. underground heat as claimed in claim 1 is adjusted wind ventilating type greenhouse by solar heat, it is characterized in that: described air channel has traversing section (3), the section of expanding (4) and the vertical section (5) being communicated with successively;
Described traversing section (3) has ventilating opening (8) with the junction on front footing slope (2), and vertical section (5) is communicated with atmosphere.
5. underground heat as claimed in claim 4 is adjusted wind ventilating type greenhouse by solar heat, it is characterized in that: described tubulose conducting piece (6), for the metallic cylindrical tube of Vacuum Package, contains boiling point low, volatile liquid, one end is evaporation ends, and the other end is condensation end, imbeds underground rear evaporation ends away from ground.
6. underground heat as claimed in claim 1 is adjusted wind ventilating type greenhouse by solar heat, it is characterized in that: the interior liquid of described tubulose conducting piece (6) is acetone.
7. as the underground heat of claim 1-6 as described in one of them, adjust wind ventilating type greenhouse by solar heat, it is characterized in that: described greenhouse by solar heat has cultivation bed (1), cultivation bed (1) is positioned at the following 1.0m of ground level; Horizontal interval between adjacent ventilating opening (8) is 3.0m.
8. underground heat as claimed in claim 4 is adjusted wind ventilating type greenhouse by solar heat, it is characterized in that: described traversing section (3) diameter 30cm, and long 2.0m, traversing section (3) topmost is apart from ground 35cm;
The described section of expanding (4) diameter 40cm, long 40cm, the section of expanding (4) topmost is apart from ground 30cm;
The long 1.2m of described vertical section (5), vertical section (5) is vertical with traversing section (3).
9. underground heat as claimed in claim 1 is adjusted wind ventilating type greenhouse by solar heat, it is characterized in that: the long 6.5m of described tubulose conducting piece (6), and thick 10cm, the length that condensation end stretches in the ventilation shaft section of expanding (4) is 20cm.
10. underground heat as claimed in claim 4 is adjusted wind ventilating type greenhouse by solar heat, it is characterized in that: the top of described vertical section (5) is provided with turns a collar extension (7).
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510343472.1A CN105028029B (en) | 2014-06-18 | 2014-06-18 | Underground heat adjusts wind ventilating type heliogreenhouse |
| CN201410271571.9A CN104012341B (en) | 2014-06-18 | 2014-06-18 | A kind of underground heat adjusts wind ventilating type greenhouse by solar heat |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410271571.9A CN104012341B (en) | 2014-06-18 | 2014-06-18 | A kind of underground heat adjusts wind ventilating type greenhouse by solar heat |
Related Child Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510343472.1A Division CN105028029B (en) | 2014-06-18 | 2014-06-18 | Underground heat adjusts wind ventilating type heliogreenhouse |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104012341A true CN104012341A (en) | 2014-09-03 |
| CN104012341B CN104012341B (en) | 2015-12-09 |
Family
ID=51429573
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510343472.1A Active CN105028029B (en) | 2014-06-18 | 2014-06-18 | Underground heat adjusts wind ventilating type heliogreenhouse |
| CN201410271571.9A Active CN104012341B (en) | 2014-06-18 | 2014-06-18 | A kind of underground heat adjusts wind ventilating type greenhouse by solar heat |
Family Applications Before (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510343472.1A Active CN105028029B (en) | 2014-06-18 | 2014-06-18 | Underground heat adjusts wind ventilating type heliogreenhouse |
Country Status (1)
| Country | Link |
|---|---|
| CN (2) | CN105028029B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110574642A (en) * | 2019-08-30 | 2019-12-17 | 华北水利水电大学 | Method for improving yield of tomatoes in sunlight greenhouse in spring by regulating and controlling ventilation mode |
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| CN2202903Y (en) * | 1994-07-19 | 1995-07-05 | 孙宝君 | Thermal-tube type ground heat transmission device |
| CN101518195A (en) * | 2008-02-27 | 2009-09-02 | 顾建新 | Wall heat accumulating type greenhouse |
| CN202262294U (en) * | 2011-10-18 | 2012-06-06 | 山东省蔬菜工程技术研究中心 | Single-stand column and long-back slope sunlight greenhouse |
| CN202285704U (en) * | 2011-11-09 | 2012-07-04 | 量子科技（中国）有限公司 | Greenhouse heated by solar energy |
| CN202565853U (en) * | 2012-05-23 | 2012-12-05 | 山东省寿光蔬菜产业集团有限公司 | Multi-column sunlight greenhouse with front sidewalk |
| CN102907280A (en) * | 2012-11-14 | 2013-02-06 | 镇江七政新能源有限公司 | Heat accumulating type solar energy greenhouse |
| CN203597175U (en) * | 2013-10-29 | 2014-05-21 | 山东省寿光蔬菜产业集团有限公司 | Down digging type sunlight greenhouse with front ventilation openings |
| CN203896892U (en) * | 2014-06-18 | 2014-10-29 | 寿光蔬菜产业控股集团有限公司 | Terrestrial heat air regulation heat exchange type solar greenhouse |
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| CN1301481A (en) * | 1999-12-29 | 2001-07-04 | 张新民 | Soil layer temperature increasing method for plastic green house |
| CN102630468A (en) * | 2012-04-28 | 2012-08-15 | 北京工业大学 | Method for constructing turf bed by utilizing shallow geothermal energy |
| BE1020660A3 (en) * | 2012-05-18 | 2014-02-04 | B & A Automation Bvba | TUBE TRAILER. |
| CN103828641A (en) * | 2012-11-24 | 2014-06-04 | 马帮明 | Greenhouse with insulated wire rod mulching film watering belt woven shed face layering film quilts and buried water storage watering belts |
| CN203633239U (en) * | 2013-10-27 | 2014-06-11 | 天津友林农业种植专业合作社 | Vegetable planting greenhouse |
| CN203618471U (en) * | 2013-12-25 | 2014-06-04 | 锦州鹏翔电力轻钢设备有限公司 | Natural ventilation greenhouse |
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- 2014-06-18 CN CN201510343472.1A patent/CN105028029B/en active Active
- 2014-06-18 CN CN201410271571.9A patent/CN104012341B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2202903Y (en) * | 1994-07-19 | 1995-07-05 | 孙宝君 | Thermal-tube type ground heat transmission device |
| CN101518195A (en) * | 2008-02-27 | 2009-09-02 | 顾建新 | Wall heat accumulating type greenhouse |
| CN202262294U (en) * | 2011-10-18 | 2012-06-06 | 山东省蔬菜工程技术研究中心 | Single-stand column and long-back slope sunlight greenhouse |
| CN202285704U (en) * | 2011-11-09 | 2012-07-04 | 量子科技（中国）有限公司 | Greenhouse heated by solar energy |
| CN202565853U (en) * | 2012-05-23 | 2012-12-05 | 山东省寿光蔬菜产业集团有限公司 | Multi-column sunlight greenhouse with front sidewalk |
| CN102907280A (en) * | 2012-11-14 | 2013-02-06 | 镇江七政新能源有限公司 | Heat accumulating type solar energy greenhouse |
| CN203597175U (en) * | 2013-10-29 | 2014-05-21 | 山东省寿光蔬菜产业集团有限公司 | Down digging type sunlight greenhouse with front ventilation openings |
| CN203896892U (en) * | 2014-06-18 | 2014-10-29 | 寿光蔬菜产业控股集团有限公司 | Terrestrial heat air regulation heat exchange type solar greenhouse |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110574642A (en) * | 2019-08-30 | 2019-12-17 | 华北水利水电大学 | Method for improving yield of tomatoes in sunlight greenhouse in spring by regulating and controlling ventilation mode |
| CN110574642B (en) * | 2019-08-30 | 2021-04-23 | 华北水利水电大学 | Method for improving yield of tomatoes in sunlight greenhouse in spring by regulating and controlling ventilation mode |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105028029B (en) | 2017-09-29 |
| CN105028029A (en) | 2015-11-11 |
| CN104012341B (en) | 2015-12-09 |
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| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of invention: A solar greenhouse with geothermal air conditioning and ventilation Effective date of registration: 20210601 Granted publication date: 20151209 Pledgee: Shandong Shouguang Rural Commercial Bank Co.,Ltd. Pledgor: SHOUGUANG VEGETABLE INDUSTRY HOLDING GROUP Co.,Ltd. Registration number: Y2021980004245 |
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Date of cancellation: 20210823 Granted publication date: 20151209 Pledgee: Shandong Shouguang Rural Commercial Bank Co.,Ltd. Pledgor: SHOUGUANG VEGETABLE INDUSTRY HOLDING GROUP Co.,Ltd. Registration number: Y2021980004245 |
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Denomination of invention: A geothermal wind regulation and ventilation type solar greenhouse Effective date of registration: 20210824 Granted publication date: 20151209 Pledgee: Shandong Shouguang Rural Commercial Bank Co.,Ltd. Pledgor: SHOUGUANG VEGETABLE INDUSTRY HOLDING GROUP Co.,Ltd. Registration number: Y2021980008276 |
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Date of cancellation: 20230519 Granted publication date: 20151209 Pledgee: Shandong Shouguang Rural Commercial Bank Co.,Ltd. Pledgor: SHOUGUANG VEGETABLE INDUSTRY HOLDING GROUP CO.,LTD. Registration number: Y2021980008276 |
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Denomination of invention: A Kind of Solar Greenhouse with Geothermal Air Conditioning and Ventilation Effective date of registration: 20230706 Granted publication date: 20151209 Pledgee: Shandong Shouguang Rural Commercial Bank Co.,Ltd. Pledgor: SHOUGUANG VEGETABLE INDUSTRY HOLDING GROUP CO.,LTD. Registration number: Y2023980047651 |
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