CN107190856B - Air film building exhaust device - Google Patents

Air film building exhaust device Download PDF

Info

Publication number
CN107190856B
CN107190856B CN201710097067.5A CN201710097067A CN107190856B CN 107190856 B CN107190856 B CN 107190856B CN 201710097067 A CN201710097067 A CN 201710097067A CN 107190856 B CN107190856 B CN 107190856B
Authority
CN
China
Prior art keywords
air film
exhaust
air
gas
film
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.)
Active
Application number
CN201710097067.5A
Other languages
Chinese (zh)
Other versions
CN107190856A (en
Inventor
周茂亦
汪妍君
劳歆淇
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Zhongcheng Space Shenzhen Intelligent Technology Co ltd
Original Assignee
Zhongcheng Space Shenzhen Intelligent Technology Co ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Zhongcheng Space Shenzhen Intelligent Technology Co ltd filed Critical Zhongcheng Space Shenzhen Intelligent Technology Co ltd
Priority to CN201710097067.5A priority Critical patent/CN107190856B/en
Publication of CN107190856A publication Critical patent/CN107190856A/en
Application granted granted Critical
Publication of CN107190856B publication Critical patent/CN107190856B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Classifications

    • EFIXED CONSTRUCTIONS
    • E04BUILDING
    • E04BGENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
    • E04B1/00Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
    • E04B1/34Extraordinary structures, e.g. with suspended or cantilever parts supported by masts or tower-like structures enclosing elevators or stairs; Features relating to the elastic stability
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02BCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
    • Y02B30/00Energy efficient heating, ventilation or air conditioning [HVAC]
    • Y02B30/70Efficient control or regulation technologies, e.g. for control of refrigerant flow, motor or heating

Landscapes

  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Tents Or Canopies (AREA)
  • Ventilation (AREA)

Abstract

The invention discloses a gas film building exhaust device which comprises a fixed foundation, a gas film, an exhaust channel and a relief valve, wherein the gas film is fixed on the fixed foundation; the plurality of exhaust channels are arranged on the outer surface of the air film at intervals, at least one end of each exhaust channel is an open end and extends towards the fixed foundation, and each exhaust channel is provided with a vent hole communicated with the air film; a relief valve is provided at the open end to control on/off of the open end. According to the air film building exhaust device provided by the embodiment of the invention, the effective exhaust of the air in the air film building can be realized, the indoor air quality is improved, and the safety of the air film building exhaust device used as a coal warehouse, a cement warehouse and the like is higher.

Description

Air film building exhaust device
Technical Field
The invention relates to a gas film building, in particular to a gas film building exhaust device.
Background
The air film building adopts high-strength and high-flexibility film materials as main materials, the outer edge of the film materials is fixed on the ground foundation or the periphery of the roof structure by utilizing the air pressure supporting principle in the sealed space, a large amount of air is fed into the inner space formed between the air film and the ground by utilizing the air charging system, when the pressure in the air film is greater than the outer pressure of the air film, a certain air pressure difference is generated, and the air in the air film can support the film materials to cover the ground or the roof to form a large-span girder-free and column-free building space.
However, since the indoor space of the air film building is a closed environment, the air quality inside the air film building is poor, and when the air film building is used as a coal warehouse, a cement warehouse and the like, a large amount of dust, gas and the like exist in the air inside the air film building, the dust, the gas and the like seriously affect the human health and the manual work, and serious accidents such as gas explosion and the like can occur, so that how to control the air quality inside the air film building and the safety when the air film building is used as the coal warehouse, the cement warehouse and the like have been a technical problem of interest in the industry.
Disclosure of Invention
The present invention aims to solve at least one of the technical problems in the related art to some extent. To this end, an object of the present invention is to propose a gas film building exhaust.
In order to achieve the above object, an air film building exhaust apparatus according to an embodiment of the present invention includes:
fixing a foundation;
the air film is fixed on the fixed foundation;
the exhaust channels are arranged on the outer surface of the air film at intervals, at least one end of each exhaust channel is an open end and extends towards the fixed foundation, and each exhaust channel is provided with a discharge hole communicated with the air film;
and a relief valve provided at the open end to control opening/closing of the open end.
According to the air film building exhaust device provided by the embodiment of the invention, the outer surface of the air film is provided with the plurality of exhaust channels, each exhaust channel is provided with the discharge hole communicated with the air film, the open end of each exhaust channel is provided with the discharge valve, and when the air film building exhaust device is specifically applied, the open end of the exhaust channel is communicated with the dust removing equipment, so when the air film internal environment is abnormal, for example, one or more of smoke, dust, gas and the like is/are excessively high, the discharge valve is opened, and because the air pressure in the air film is relatively high, the smoke, dust, gas and the like in the air film can be discharged to the dust removing equipment through the exhaust channels, and then are discharged after being treated by the dust removing equipment, thereby realizing the effective discharge of the gas in the air film building, improving the indoor air quality, and simultaneously ensuring the higher safety when the air film building exhaust device is used as a coal warehouse, a cement warehouse and the like.
In addition, the air film building exhaust device according to the embodiment of the invention may further have the following additional technical features:
according to an embodiment of the present invention, the bleed holes on each of the exhaust passages are plural, and the plural bleed holes are arranged at intervals along the extending direction of the exhaust passage.
According to an embodiment of the present invention, each of the exhaust passages is arranged in a length direction or a width direction of the air film.
According to one embodiment of the invention, each exhaust channel is formed by welding a film material which is the same as the air film material with the air film in a hot-melting way, and the vent hole is formed in the air film.
According to one embodiment of the present invention, further comprising:
the controller is an electric valve, and is connected with the bleeder valve and used for controlling the switch of the bleeder valve.
According to one embodiment of the present invention, further comprising:
an environmental sensor for detecting environmental information inside the air film;
the controller is connected with the environment sensor and used for controlling the switch of the bleeder valve according to the environment information so that the gas in the gas film is discharged to the dust removing equipment through the exhaust channel.
According to one embodiment of the invention, the environmental sensor comprises one or more of a smoke sensor, a dust sensor and a gas sensor.
Additional aspects and advantages of the invention will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention.
Drawings
FIG. 1 is a schematic top view of an embodiment of an air film building exhaust apparatus;
FIG. 2 is a cross-sectional view in the lateral direction of FIG. 1;
FIG. 3 is a cross-sectional view at B-B in FIG. 1;
fig. 4 is a schematic diagram of an operating state of the air film building exhaust device according to the embodiment of the invention.
Reference numerals:
a fixed base 10;
a gas film 11;
an exhaust passage 12;
an open end 121;
bleed aperture 122;
a relief valve 13;
a case 131;
a nebulizer 132;
a louver 133;
a drain pipe 134;
corner fasteners 14.
The achievement of the objects, functional features and advantages of the present invention will be further described with reference to the accompanying drawings, in conjunction with the embodiments.
Detailed Description
Embodiments of the present invention are described in detail below, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to like or similar elements or elements having like or similar functions throughout. The embodiments described below by referring to the drawings are illustrative and intended to explain the present invention and should not be construed as limiting the invention.
In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present invention.
Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature. In the description of the present invention, the meaning of "a plurality" is two or more, unless explicitly defined otherwise.
In the present invention, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art according to the specific circumstances.
Referring to fig. 1 to 4, an embodiment of the present invention provides an air film building exhaust apparatus, which includes a fixed base 10, an air film 11, an exhaust passage 12 and a relief valve 13.
Specifically, the fixed foundation 10 is typically a concrete wall or the like.
The air film 11 is fixed on the fixed foundation 10, for example, the bottom edge of the air film 11 is fixed on the fixed foundation 10 in a sealing way through the corner fixing pieces 14, so that an inner space is formed between the air film 11 and the ground, and the air film 11 can be supported by inflating the inner space through an inflation system.
The exhaust channels 12 are arranged on the outer surface of the air film 11 at intervals, at least one end of each exhaust channel 12 is an open end 121 and extends towards the fixed foundation 10, and each exhaust channel 12 is provided with a bleed hole 122 communicated with the air film 11. That is, a plurality of exhaust passages 12 are arranged at intervals outside the gas film 11, each exhaust passage 12 is provided with a bleed hole 122 communicating with the gas film 11, and the gas inside the gas film 11 can enter into the exhaust passage 12 through the bleed hole 122.
In a specific application, the open end 121 of the exhaust channel 12 is connected to a dust removing device, that is, the gas in the air film 11 can be exhausted to the dust removing device through the exhaust channel 12, and the gas exhausted from the air film 11 can be subjected to dust removing treatment by using the dust removing device, so that the air environment is prevented from being polluted.
A relief valve 13 is provided at the open end 121 to control the opening/closing of the open end. When the bleeder valve 13 is opened, the exhaust passage 12 is communicated with the dust removing device, and the air film 11 is supported by the air pressure inside, so that the air pressure inside the air film 11 is greater than the air pressure outside, and then the air inside the air film 11 can enter the exhaust passage 12 through the bleeder hole 122 and be discharged to the dust removing device through the exhaust passage 12 and the bleeder valve 13. When the relief valve 13 is closed, the exhaust passage 12 is blocked from the dust removing device, and at this time, the gas inside the gas film 11 and the gas inside the exhaust passage 12 cannot be exhausted, and the gas pressure inside the gas film 11 is maintained.
According to the air film building exhaust device provided by the embodiment of the invention, the outer surface of the air film 11 is provided with the plurality of exhaust channels 12, each exhaust channel 12 is provided with the discharge hole 122 communicated with the air film 11, the open end 121 of each exhaust channel 12 is provided with the discharge valve 13, and in specific application, the open end 121 of the exhaust channel 12 is communicated with the dust removal equipment, so when the internal environment of the air film 11 is abnormal, for example, one or more of the contents of smoke, dust, gas and the like are excessively high, the discharge valve 13 is opened, and because the internal air pressure of the air film 11 is relatively high, the smoke, dust, gas and the like in the air film 11 can be discharged to the dust removal equipment through the exhaust channels 12 and then discharged after being treated through the dust removal equipment, thereby realizing effective discharge of the internal air of the air film 11, improving the indoor air quality, and ensuring higher safety when the air film is used as a coal warehouse, a cement warehouse and the like.
It should be noted that, the open ends 121 of the plurality of dust discharging channels may be connected to one dust removing device or may be connected to a plurality of dust removing devices, and both ends of each dust discharging channel may be connected to one dust removing device, respectively.
Further, the relief valve 13 is provided at the open end 121 of the exhaust passage 12, and since the open end 121 is close to the fixed foundation 10, installation and maintenance are facilitated. The exhaust channel 12 is arranged outside the air film 11, so that on one hand, the exhaust of air in the air film 11 and the connection with external dust removing equipment are facilitated, and on the other hand, the exhaust channel is arranged inside the air film 11, so that the occupation of the air film inner space can be avoided.
Advantageously, the plurality of bleed holes 122 is provided in each of the exhaust passages 12, and the plurality of bleed holes 122 are spaced apart along the extension of the exhaust passage 12. In this way, the gas at different positions inside the gas film 11 can be discharged from the nearest discharge hole 122 into the exhaust passage 12, thereby improving the efficiency of gas discharge.
It will be appreciated that each of the air discharge passages 12 is arranged along the length direction or the width direction of the air film 11, for example, as shown in fig. 1, each of the air discharge passages 12 is arranged to extend along the width direction of the air film 11, and a plurality of the air discharge passages 12 are arranged to be spaced apart from each other in sequence along the length direction of the air film 11. In this way, the gas in the gas film 11 can be uniformly and rapidly discharged to the exhaust passage 12.
Referring to fig. 2, in one embodiment of the present invention, each of the exhaust passages 12 is formed by heat-welding a film material having the same material as that of the air film 11 with the air film 11, and the vent hole 122 is opened on the air film 11. In this embodiment, the strip-shaped film material is welded to the outer surface of the air film 11 by adopting the film material made of the same material as the air film 11 and using a hot-melt welding mode, so that the air exhaust channel 12 can be formed between the film material and the air film 11, the air exhaust channel 12 can be communicated with the air film 11 only by providing the air release hole at the position on the air film 11 corresponding to the film, and the air in the air film 11 can enter the air exhaust channel 12 through the air release hole, so that the structure is simple, the process is simple, and the cost is low.
It will be appreciated that in other embodiments, the exhaust passage 12 may take the form of a hose or the like.
In some embodiments of the present invention, the controller is further included, where the relief valve 13 is an electric valve, and the controller is connected to the relief valve 13 and is used to control the opening and closing of the relief valve 13. That is, the controller controls the opening and closing of the relief valve 13, so that electric control can be realized, and the use is more convenient and flexible.
In other embodiments of the present invention, the relief valve 13 may be configured as a mechanical valve, and may be opened and closed by manual operation, which is less costly, and avoids the problems of power failure or electrical failure of the electric valve, such as incapacity of being opened.
Advantageously, in one embodiment of the present invention, an environmental sensor is further included, the environmental sensor being configured to detect environmental information inside the gas film 11; the controller is connected with the environment sensor and is used for controlling the switch of the relief valve 13 according to the environment information so as to enable the gas in the gas film 11 to be discharged to the dust removing equipment through the exhaust channel 12.
It is understood that the environmental sensor includes one or more of a smoke sensor, a dust sensor, and a gas sensor.
In specific application, smoke concentration in the air film 11 is detected by the smoke sensor, dust concentration in the air film 11 is detected by the dust sensor, gas concentration in the air film 11 is detected by the gas sensor, the detected smoke concentration, dust concentration and gas concentration are all transmitted to the controller, the controller can preset smoke threshold value, dust threshold value and gas threshold value, when the smoke concentration, dust concentration and gas concentration exceed the corresponding threshold values, the controller outputs a control signal to control the exhaust valve to open, at the moment, the exhaust channel 12 is connected with the dust removing equipment, and smoke, dust, gas and the like in the air film 11 can be discharged to the dust removing equipment through the exhaust channel 12. Therefore, in this embodiment, the exhaust valve is controlled to be automatically opened by taking the environmental signal detected by the environmental sensor as a triggering condition, so that the purpose of automatic control can be achieved, manual monitoring is not needed, and the safety and reliability of the use of the air film 11 are improved.
In the description of the present specification, a description referring to terms "one embodiment," "some embodiments," "examples," "specific examples," or "some examples," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present invention. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiments or examples. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
Although embodiments of the present invention have been shown and described above, it will be understood that the above embodiments are illustrative and not to be construed as limiting the invention, and that variations, modifications, alternatives, and variations may be made in the above embodiments by those skilled in the art without departing from the spirit and principles of the invention.

Claims (5)

1. An air film building exhaust apparatus, characterized by comprising:
fixing a foundation;
the air film is fixed on the fixed foundation;
the exhaust channels are arranged on the outer surface of the air film at intervals, at least one end of each exhaust channel is an open end and extends towards the fixed foundation, and each exhaust channel is provided with a discharge hole communicated with the air film;
a relief valve provided at the open end to control on/off of the open end;
each exhaust channel is formed by welding a membrane material which is the same as the membrane material with the membrane in a hot-melting way, and the vent hole is formed in the membrane; each of the exhaust passages is arranged in a length direction or a width direction of the air film.
2. The air film building exhaust of claim 1 wherein the bleed holes in each of the exhaust passages are a plurality of the bleed holes spaced apart along the direction of extension of the exhaust passage.
3. The air film building exhaust of claim 1, further comprising:
the controller is an electric valve, and is connected with the bleeder valve and used for controlling the switch of the bleeder valve.
4. The air film building exhaust of claim 3, further comprising:
an environmental sensor for detecting environmental information inside the air film;
the controller is connected with the environment sensor and used for controlling the switch of the bleeder valve according to the environment information so that the gas in the gas film is discharged to dust removal equipment through the exhaust channel.
5. The air film building exhaust of claim 4, wherein the environmental sensor comprises one or more of a smoke sensor, a dust sensor, and a gas sensor.
CN201710097067.5A 2017-02-22 2017-02-22 Air film building exhaust device Active CN107190856B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201710097067.5A CN107190856B (en) 2017-02-22 2017-02-22 Air film building exhaust device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201710097067.5A CN107190856B (en) 2017-02-22 2017-02-22 Air film building exhaust device

Publications (2)

Publication Number Publication Date
CN107190856A CN107190856A (en) 2017-09-22
CN107190856B true CN107190856B (en) 2023-06-20

Family

ID=59872036

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201710097067.5A Active CN107190856B (en) 2017-02-22 2017-02-22 Air film building exhaust device

Country Status (1)

Country Link
CN (1) CN107190856B (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109235649A (en) * 2018-09-21 2019-01-18 中成空间(深圳)智能技术有限公司 Pneumatic membrane building dust-extraction unit
CN109335366B (en) * 2018-11-23 2024-03-01 曾勇军 Oversized flexible gas storage and method
CN111042335A (en) * 2019-12-17 2020-04-21 深圳约顿科技有限公司 Industrial air film structure

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102322282A (en) * 2011-06-17 2012-01-18 清华大学 Exhaust and dust removal complete equipment for underground engineering
CN202216358U (en) * 2011-09-01 2012-05-09 贾元盛 Ventilation structure of air inflation film building
JP2013220098A (en) * 2012-04-16 2013-10-28 Kozo Ueno Expanding/contracting lining air film
CN105484409A (en) * 2015-12-17 2016-04-13 深圳市中德膜结构有限公司 Dust sucking device of air film building
CN205475676U (en) * 2016-01-14 2016-08-17 深圳市中德膜结构有限公司 Air film building insulation construction
CN106285186A (en) * 2016-09-22 2017-01-04 深圳市博德维环境技术股份有限公司 Pneumatic membrane building and interior ventilation duct structure thereof
CN206607681U (en) * 2017-02-22 2017-11-03 深圳市中德膜结构有限公司 Pneumatic membrane building exhaust apparatus

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102322282A (en) * 2011-06-17 2012-01-18 清华大学 Exhaust and dust removal complete equipment for underground engineering
CN202216358U (en) * 2011-09-01 2012-05-09 贾元盛 Ventilation structure of air inflation film building
JP2013220098A (en) * 2012-04-16 2013-10-28 Kozo Ueno Expanding/contracting lining air film
CN105484409A (en) * 2015-12-17 2016-04-13 深圳市中德膜结构有限公司 Dust sucking device of air film building
CN205475676U (en) * 2016-01-14 2016-08-17 深圳市中德膜结构有限公司 Air film building insulation construction
CN106285186A (en) * 2016-09-22 2017-01-04 深圳市博德维环境技术股份有限公司 Pneumatic membrane building and interior ventilation duct structure thereof
CN206607681U (en) * 2017-02-22 2017-11-03 深圳市中德膜结构有限公司 Pneumatic membrane building exhaust apparatus

Also Published As

Publication number Publication date
CN107190856A (en) 2017-09-22

Similar Documents

Publication Publication Date Title
CN107190856B (en) Air film building exhaust device
KR102163322B1 (en) Harmful gas sensing and ventilating system for manhole
US8353308B2 (en) Inflatable fluid conduit plug
KR20150073139A (en) Gas leak detection device of indoor GIS substations
CN102436235A (en) Indoor environment safety intelligence control system
CN203224011U (en) Indoor-air purifying system
GB2079806A (en) Sewage pumping station
KR20170103242A (en) Cell module assembly improved in gas venting structure
CN104656701B (en) A kind of outdoor Intelligent control cabinet and control method thereof
KR101654103B1 (en) Apparatus for capturing harmful gas at battery charge water tank and method thereof
CN106223775A (en) A kind of leap fire prevention zone method, Apparatus and system
KR200490543Y1 (en) Control panel of enclosed workspace
CN101165388A (en) Leakage-detecting tool for gas supply system and its method
CN111720152B (en) Tunnel smoke exhaust system and tunnel smoke exhaust control method
CN210502647U (en) Intelligent condensate water discharging device for air brake equipment
KR101376774B1 (en) Switchgear system comprising function detecting disaster using sensor and recovering the same and building integrated control system
KR20120108316A (en) Locally controled ventilation duct system provided with fire detector and opening/closing apparatus
CN206607681U (en) Pneumatic membrane building exhaust apparatus
KR101987787B1 (en) fume hood controller
CN113457043B (en) Electric smoke blocking vertical wall-based fire smoke discharging system and method for atrium subway station
CN111023384B (en) Smoke exhaust system for fire engineering
CN107450637A (en) A kind of accurate control high-cleanness grade Clean room of humiture
CN211508228U (en) Intelligent control cabinet protector of transformer substation
CN207633518U (en) Pressure relief device and pneumatic membrane building
CN102285561B (en) Elevator controling device

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
CB02 Change of applicant information

Address after: Room 901, Unit B, Building G4, TCL International E City, 1001 Zhongshan Garden Road, Xili Street, Nanshan District, Shenzhen City, Guangdong Province, 518000

Applicant after: ZHONGCHENG SPACE (SHENZHEN) INTELLIGENT TECHNOLOGY Co.,Ltd.

Address before: Room 1208-1209, Block A, 127 Art Industrial Park, South of Bulong Road, Minzhi Street, Longhua New District, Shenzhen City, Guangdong Province

Applicant before: SHENZHEN ZHONGDE MEMBRANE STRUCTURE Co.,Ltd.

CB02 Change of applicant information
GR01 Patent grant
GR01 Patent grant