CN109222235B - Liquid storage method and storage device - Google Patents
Liquid storage method and storage device Download PDFInfo
- Publication number
- CN109222235B CN109222235B CN201711250112.2A CN201711250112A CN109222235B CN 109222235 B CN109222235 B CN 109222235B CN 201711250112 A CN201711250112 A CN 201711250112A CN 109222235 B CN109222235 B CN 109222235B
- Authority
- CN
- China
- Prior art keywords
- liquid
- liquid storage
- porous
- layer
- porous material
- 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.)
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Links
- 239000007788 liquid Substances 0.000 title claims abstract description 127
- 238000000034 method Methods 0.000 title claims abstract description 21
- 239000011148 porous material Substances 0.000 claims abstract description 68
- 239000000463 material Substances 0.000 claims abstract description 13
- 241000208125 Nicotiana Species 0.000 claims description 30
- 235000002637 Nicotiana tabacum Nutrition 0.000 claims description 30
- 239000003571 electronic cigarette Substances 0.000 claims description 9
- 229920006395 saturated elastomer Polymers 0.000 claims description 8
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 claims description 6
- 229910010293 ceramic material Inorganic materials 0.000 claims description 6
- 239000007769 metal material Substances 0.000 claims description 6
- PNEYBMLMFCGWSK-UHFFFAOYSA-N Alumina Chemical compound [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 claims description 3
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 3
- 239000000919 ceramic Substances 0.000 claims description 3
- 229910052802 copper Inorganic materials 0.000 claims description 3
- 239000010949 copper Substances 0.000 claims description 3
- 229910052759 nickel Inorganic materials 0.000 claims description 3
- 239000002245 particle Substances 0.000 claims description 3
- HBMJWWWQQXIZIP-UHFFFAOYSA-N silicon carbide Chemical compound [Si+]#[C-] HBMJWWWQQXIZIP-UHFFFAOYSA-N 0.000 claims description 3
- 239000010935 stainless steel Substances 0.000 claims description 3
- 229910001220 stainless steel Inorganic materials 0.000 claims description 3
- 229910021426 porous silicon Inorganic materials 0.000 claims description 2
- 230000001174 ascending effect Effects 0.000 claims 1
- 239000005373 porous glass Substances 0.000 claims 1
- 230000000694 effects Effects 0.000 abstract description 2
- 238000005213 imbibition Methods 0.000 abstract description 2
- 230000002265 prevention Effects 0.000 abstract description 2
- 239000003921 oil Substances 0.000 description 5
- 239000011521 glass Substances 0.000 description 3
- 239000002184 metal Substances 0.000 description 3
- 229910052751 metal Inorganic materials 0.000 description 3
- 239000002304 perfume Substances 0.000 description 3
- 239000000341 volatile oil Substances 0.000 description 3
- 238000000889 atomisation Methods 0.000 description 2
- 239000004033 plastic Substances 0.000 description 2
- 239000000843 powder Substances 0.000 description 2
- 239000011269 tar Substances 0.000 description 2
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 229910045601 alloy Inorganic materials 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 239000011344 liquid material Substances 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000012229 microporous material Substances 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 239000000741 silica gel Substances 0.000 description 1
- 229910002027 silica gel Inorganic materials 0.000 description 1
- 229910010271 silicon carbide Inorganic materials 0.000 description 1
- 239000000779 smoke Substances 0.000 description 1
- 238000002791 soaking Methods 0.000 description 1
- 238000001179 sorption measurement Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 235000013311 vegetables Nutrition 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- A—HUMAN NECESSITIES
- A24—TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
- A24F—SMOKERS' REQUISITES; MATCH BOXES; SIMULATED SMOKING DEVICES
- A24F40/00—Electrically operated smoking devices; Component parts thereof; Manufacture thereof; Maintenance or testing thereof; Charging means specially adapted therefor
- A24F40/40—Constructional details, e.g. connection of cartridges and battery parts
- A24F40/42—Cartridges or containers for inhalable precursors
-
- A—HUMAN NECESSITIES
- A24—TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
- A24B—MANUFACTURE OR PREPARATION OF TOBACCO FOR SMOKING OR CHEWING; TOBACCO; SNUFF
- A24B15/00—Chemical features or treatment of tobacco; Tobacco substitutes, e.g. in liquid form
- A24B15/10—Chemical features of tobacco products or tobacco substitutes
- A24B15/16—Chemical features of tobacco products or tobacco substitutes of tobacco substitutes
- A24B15/167—Chemical features of tobacco products or tobacco substitutes of tobacco substitutes in liquid or vaporisable form, e.g. liquid compositions for electronic cigarettes
-
- A—HUMAN NECESSITIES
- A24—TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
- A24F—SMOKERS' REQUISITES; MATCH BOXES; SIMULATED SMOKING DEVICES
- A24F40/00—Electrically operated smoking devices; Component parts thereof; Manufacture thereof; Maintenance or testing thereof; Charging means specially adapted therefor
- A24F40/10—Devices using liquid inhalable precursors
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Packaging Of Annular Or Rod-Shaped Articles, Wearing Apparel, Cassettes, Or The Like (AREA)
- Solid-Sorbent Or Filter-Aiding Compositions (AREA)
Abstract
The invention relates to a liquid storage method and a storage device, wherein the method adopts a porous material to store liquid, the device is prepared into storage devices with different shapes by using the porous material, and the liquid is stored in pores. The method and the device for storing the liquid by adopting the porous material are free from assembly, can be automatically operated, and have short shipment period; the porous materials with the same volume can adjust the porosity according to the liquid storage amount requirement. After imbibition, the liquid does not overflow, the hand touch has no wet feeling, and the oil leakage prevention effect is obvious; the die can be used for forming, the cost is low, and the shape can be diversified; the material is environment-friendly and degradable; the porous material has small volume and light weight, and can save transportation cost.
Description
Technical Field
The invention relates to the field of porous material using methods, in particular to a method for storing an nebulizable liquid by using a porous material and a device for storing the nebulizable liquid by using the method.
Background
At present, containers such as cups and bottles are generally used for storing and transporting liquid materials, and the liquid containers, particularly the containers such as cups, need special attention in the storing and transporting process due to the large upper opening, and particularly the liquid stored in the containers such as tobacco tar, essential oil, perfume and the like can cause a great deal of inconvenience if overflowed.
At present, some nebulizable liquid such as tobacco tar is often required to be nebulized when in use, such as tobacco tar, essential oil, perfume and the like, in particular tobacco tar is a main raw material of electronic cigarettes, and a liquid storage device/bin in the electronic cigarettes is all used for storing the nebulizable liquid by using components which are assembled by a shell housing (materials: metal, plastic and glass), an air flow pipeline (materials: metal, plastic and glass), a silica gel piece and the like to form a certain sealing space. Such reservoirs/cartridges are not completely sealed and the storage of the nebulizable liquid, the tobacco tar, is in a fluid state and the storage time is very limited. In addition, after the atomization of the atomized liquid-tobacco tar in the liquid storage/bin is finished, the tobacco tar is not convenient to be injected into the liquid storage/bin, in a word, the prior liquid storage/bin and the like use devices capable of liquefying the atomized liquid, need to be assembled, have long production period, and have high risk of liquid leakage in the long-term storage, transportation and use processes.
Disclosure of Invention
The invention provides a method for storing liquid, particularly atomized liquid such as tobacco tar, by adopting microporous materials and a liquid storage device adopting the method, according to the defects brought by the prior device for using atomized liquid such as tobacco tar and the like such as a liquid storage device/bin (atomizer, oil cup) of an electronic cigarette and the like when the container such as the oil cup, the bottle and the like is used for storing the atomized liquid such as the tobacco tar and the like.
The technical scheme of the invention is as follows: a method of storing a liquid using a porous material, comprising the steps of:
step A, soaking a porous material with a set shape in a liquid to be stored;
step B, absorbing the liquid to be stored by a porous material with a set shape soaked in the liquid to be stored;
and C, taking out the porous material with the set shape.
The method for storing the liquid by adopting the porous material has the following advantages:
The automatic operation can be realized without assembly, and the shipment period is short; the porous materials with the same volume can adjust the porosity according to the liquid storage amount requirement. After imbibition, the liquid does not overflow, the hand touch has no wet feeling, and the oil leakage prevention effect is obvious; the die can be used for forming, the cost is low, and the shape can be diversified; the material is environment-friendly and degradable; the porous material has small volume and light weight, and can save transportation cost. Since the diameters of the liquid molecules are different, the degrees of freedom of movement are different, so that the adsorption capacities of porous materials with different pore diameters on different liquids are different. The porous material can be used for preparing double-layer or multi-layer structural materials with different porosities by using powders with different particle sizes, and the laminated layers with different porosities store different liquids.
Further, in the above liquid storage method: the liquid to be stored is tobacco tar. The porous material with the set shape comprises a porous ceramic material or a porous metal material. The porous ceramic material comprises porous silicon carbide ceramic and porous alumina ceramic; the porous metal material comprises a porous stainless steel material, a porous copper material and a porous nickel material. The pore size of the porous ceramic material or the porous metal material is 5-100 mu m. According to the different diameters of each liquid molecule, porous materials with different pore diameters are used for adsorbing and storing different liquids. The porous material with the set shape is made of powder with different particle sizes, and has double layers or multi-layer structures with different porosities, and the laminated layers with different porosities store different liquids.
The invention also provides a liquid storage device which comprises the porous material with the set shape, wherein the liquid to be stored is adsorbed into pores of 5-100 mu m in the porous material with the set shape.
The invention provides a device for storing liquid by using porous materials, in particular to a device for storing nebulizable liquid with the atomization temperature ranging from 99 ℃ to 300 ℃ such as tobacco tar and the like.
Further, in the liquid storage device described above: the liquid storage device is a storage device for storing tobacco tar in the electronic cigarette atomizer. The porous material with the set shape is a cylindrical porous material, and the cylindrical porous material at least comprises two layers of pores with different pore diameters.
Drawings
Fig. 1 is a view showing the external appearance of a smoke liquid storage device according to embodiment 1 of the present invention.
Fig. 2 is a schematic diagram of the liquid storage device according to embodiment 2 of the present invention.
Detailed Description
In embodiment 1, the liquid storage device for storing tobacco tar in an electronic cigarette is shown in fig. 1, and in this embodiment, the liquid storage device 100 is integrally in a cylindrical shape and is formed by a porous material, and the porous material may be a ceramic material such as silicon carbide and alumina, or a porous metal material such as stainless steel, copper and nickel. The pore size of the porous material is 5-100 mu m. The pores of the porous material are utilized to store tobacco tar, and the tobacco tar is enabled to enter the pores of the porous material through the capillary principle and the siphon principle. In practice, with the porosity of the porous material being adjustable, the liquid storage is adjusted by adjusting the porosity, which may be typically 40%, and a suitable porosity may be selected between 20% and 70% as desired.
The liquid storage device for storing the tobacco tar in the embodiment is very simple to store, and the liquid storage device for storing the tobacco tar is directly soaked in the tobacco tar; the porous material is taken out when the porous material in the liquid storage device for storing tobacco tar is about to saturate when the atomized liquid is adsorbed.
In this embodiment, a liquid storage device for storing tobacco tar used in an electronic cigarette is disclosed, which is implemented to store tobacco tar according to the characteristic that the liquid storage device is a porous material. In fact, these porous materials can be manufactured into various desired shapes, such as cuboid, cube, sphere, etc., and many alternative shapes can be selected according to the need, and of course, the present invention is not limited to storing tobacco tar in an electronic atomizer, other liquids can be stored, and in practice, the present invention can be used for storing nebulizable liquids such as essential oils, perfumes, etc. and other liquids can be stored.
The liquid storage device for storing tobacco tar in this embodiment can adopt to directly heat the porous material after tobacco tar is stored, atomize the tobacco tar therein and absorb, of course, the porous material can be porous material with higher temperature resistance such as porous metal or alloy, porous ceramic, etc., can replace the glass material or the oil cup of resin material in the original electronic cigarette in practice, soak it in tobacco tar when using, assemble into electronic cigarette after the oil absorption is saturated, when inhaling, the tobacco tar is atomized, soak in tobacco tar again and use repeatedly.
Embodiment 2 is a storage device for simultaneously storing different liquids, as shown in fig. 2, in this embodiment, the liquid storage device 200 is divided into three layers according to need, different layers may have different porosities, and the pore sizes of the layers are arranged in an increasing or decreasing trend, and may be used for storing different liquids, as shown in fig. 2, and in this embodiment, the liquid storage device is divided into three layers: the inner layer liquid storage cores 201 with the pore sizes of 5-50 mu m in the middle are respectively used for storing liquid with relatively small molecular groups, the middle storage layers 202 with the pore diameters of 30-70 mu m outside the liquid storage cores are used for storing liquid with relatively small molecular groups, and the outer layer liquid storage layers 203 with the pore diameters of 50-100 mu m are arranged outside the liquid storage cores and can be used for storing liquid with relatively large molecular groups. It is known that different liquids differ in size of the clusters due to differences in chemical bonds between molecules. When using such a multi-layer reservoir to store different liquids, the device is first immersed in a larger group of liquids, at which time the pores of the 50-100 μm outer reservoir layer 203 will be filled with larger group of liquids until saturation, whereas the middle reservoir layer 202 and the inner reservoir core 201 cannot be immersed in larger group of liquids, such as larger group of liquids, due to their small pore diameters. Then, the device is immersed in the smaller-cluster liquid, the smaller-cluster liquid is immersed in the middle liquid storage layer 202, the smaller-cluster liquid cannot be immersed because the outer liquid storage layer 203 is saturated, the inner liquid storage core 201 cannot be immersed because the smaller-cluster liquid with small pore diameters is also immersed, the device is taken out after the middle liquid storage layer 202 is saturated and finally immersed in the liquid, and thus the liquid with the smallest cluster can only enter the inner liquid storage core 201 because the other two liquid storage layers are saturated. In the practical process, a layer of isolating film can be arranged at each layer of boundary, and a layer of isolating film is arranged on the outer wall of the outer layer of liquid storage layer, and the isolating film can be a vegetable water breathable film.
Claims (4)
1. A liquid storage method of a storage device for storing tobacco tar in an electronic cigarette atomizer, which is characterized by comprising the following steps: comprising a porous material of a set shape, wherein the liquid to be stored is adsorbed into pores in the porous material of the set shape; the liquid to be stored is tobacco tar;
The porous material with the set shape is divided into three layers, different layers have different porosities, and the pore sizes of the layers are arranged in a descending or ascending trend and can be used for storing different liquids;
The three layers are respectively: an inner liquid storage core (201) with a pore size of 5-50 mu m in the middle is used for storing liquid with the smallest molecular group particles;
an intermediate liquid storage layer (202) with the aperture of 30-70 mu m is arranged outside the inner liquid storage core (201) and is used for storing liquid with smaller molecular groups;
The outer surface is a 50-100 mu m outer layer liquid storage layer (203) for storing liquid with larger molecular groups;
a layer of isolating film is arranged at each layer of boundary, and a layer of isolating film is arranged on the outer wall of the outer layer of liquid storage layer;
The liquid storage method of the storage device comprises the following steps:
Firstly, immersing the device into liquid with larger molecular groups, wherein the pores of an outer layer liquid storage layer (203) with the size of 50-100 mu m are filled with the liquid with the larger molecular groups until the device is saturated, and the middle liquid storage layer (202) and an inner layer liquid storage core (201) cannot be immersed due to the small pore caliber of the pores;
then, the device is immersed in the smaller-molecular-group liquid, the smaller-molecular-group liquid is immersed in the middle liquid storage layer, the outer liquid storage layer (203) is saturated, so that the smaller-molecular-group liquid cannot be immersed, the inner liquid storage core (201) cannot be immersed due to the small pore caliber of the smaller-molecular-group liquid, and the inner liquid storage core is taken out after the middle liquid storage layer (202) is saturated;
finally, it is immersed in the liquid of the smallest molecular group, so that the liquid of the smallest molecular group can only enter the inner liquid storage core (201) because the other two liquid storage layers are saturated.
2. The liquid storage method of claim 1, wherein: the porous material with the set shape comprises porous ceramic material or porous metal material and porous glass.
3. The liquid storage method according to claim 2, wherein: the porous ceramic material comprises porous silicon carbide ceramic or porous alumina ceramic; the porous metal material comprises a porous stainless steel material, a porous copper material or a porous nickel material.
4. The liquid storage method of claim 1, wherein: the porous material with the set shape is a cylindrical porous material.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711250112.2A CN109222235B (en) | 2017-12-01 | 2017-12-01 | Liquid storage method and storage device |
| US16/207,072 US20190166912A1 (en) | 2017-12-01 | 2018-11-30 | Liquid storage method and storage device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711250112.2A CN109222235B (en) | 2017-12-01 | 2017-12-01 | Liquid storage method and storage device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109222235A CN109222235A (en) | 2019-01-18 |
| CN109222235B true CN109222235B (en) | 2024-10-15 |
Family
ID=65084037
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711250112.2A Active CN109222235B (en) | 2017-12-01 | 2017-12-01 | Liquid storage method and storage device |
Country Status (2)
| Country | Link |
|---|---|
| US (1) | US20190166912A1 (en) |
| CN (1) | CN109222235B (en) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US11602164B2 (en) | 2019-03-14 | 2023-03-14 | Rai Strategic Holdings, Inc. | Aerosol delivery device with graded porosity from inner to outer wall surfaces |
| WO2020205561A1 (en) * | 2019-03-29 | 2020-10-08 | Juul Labs, Inc. | Cartridges for vaporizer devices |
| WO2021119050A1 (en) * | 2019-12-10 | 2021-06-17 | Juul Labs, Inc. | Vaporizer device including metallic bifunctional wick-heater assembly |
| WO2021151927A1 (en) * | 2020-01-28 | 2021-08-05 | Philip Morris Products S.A. | A cartridge for use in an aerosol-generating system and an aerosol-generating system comprising said cartridge |
| USD1028336S1 (en) | 2021-06-22 | 2024-05-21 | Pax Labs, Inc. | Vaporizer cartridge |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003028397A (en) * | 2001-07-13 | 2003-01-29 | Toyota Motor Corp | Gas storage tank |
| JP2005103501A (en) * | 2003-10-01 | 2005-04-21 | Matsushita Electric Works Ltd | Electrostatic atomizer |
| CN204994617U (en) * | 2015-08-27 | 2016-01-27 | 湖北中烟工业有限责任公司 | Pottery oil storage electron cigarette |
Family Cites Families (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7007863B2 (en) * | 2002-10-08 | 2006-03-07 | S.C. Johnson & Son, Inc. | Wick-based delivery system with wick made of different composite materials |
| JP4229394B2 (en) * | 2003-08-06 | 2009-02-25 | 日本電信電話株式会社 | Molecule detection method using porous material, porous material and method for producing porous material |
| MY183676A (en) * | 2009-10-09 | 2021-03-08 | Philip Morris Products Sa | Aerosol generator including multi-component wick |
| KR101380832B1 (en) * | 2011-06-22 | 2014-04-04 | 이영인 | Cartridge with Multi-layers for Electronic Cigarette |
| GB2504076A (en) * | 2012-07-16 | 2014-01-22 | Nicoventures Holdings Ltd | Electronic smoking device |
| CA2936273C (en) * | 2014-02-10 | 2021-12-28 | Philip Morris Products S.A. | Cartridge for an aerosol-generating system |
| CA3129805C (en) * | 2014-02-10 | 2023-10-10 | Philip Morris Products S.A. | Cartridge for an aerosol-generating system |
| CN206612539U (en) * | 2016-12-01 | 2017-11-07 | 佛山市顺德区美的电热电器制造有限公司 | A kind of samming pot of the liquid-sucking core containing different pore size |
| CN207969655U (en) * | 2017-12-01 | 2018-10-16 | 深圳市卓力能电子有限公司 | A kind of fluid storage device |
-
2017
- 2017-12-01 CN CN201711250112.2A patent/CN109222235B/en active Active
-
2018
- 2018-11-30 US US16/207,072 patent/US20190166912A1/en not_active Abandoned
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003028397A (en) * | 2001-07-13 | 2003-01-29 | Toyota Motor Corp | Gas storage tank |
| JP2005103501A (en) * | 2003-10-01 | 2005-04-21 | Matsushita Electric Works Ltd | Electrostatic atomizer |
| CN204994617U (en) * | 2015-08-27 | 2016-01-27 | 湖北中烟工业有限责任公司 | Pottery oil storage electron cigarette |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109222235A (en) | 2019-01-18 |
| US20190166912A1 (en) | 2019-06-06 |
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Address after: 518000 the first floor, second floor, third floor, fourth floor and fifth floor of workshop B, No.2 Industrial Road, Langxin community, Shiyan street, Bao'an District, Shenzhen City, Guangdong Province. The workshop no.4-3, tongfuyu Industrial Zone, Aiqun Road, Shangwu community, Shiyan street, has a business place to engage in production and business activities Applicant after: Shenzhen zhuolineng Technology Co.,Ltd. Address before: 518000 workshop B, No.2, Gongye 3rd road, Shixin community, Shiyan street, Bao'an District, Shenzhen City, Guangdong Province Applicant before: ALD Group Ltd. |
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Address after: 518000 1st, 2nd, 3rd, 4th and 5th floors of workshop B, No.2, Gongye 3rd road, Langxin community, Shiyan street, Bao'an District, Shenzhen City, Guangdong Province Applicant after: Shenzhen Cilicon Technology Co.,Ltd. Address before: 518000 the first floor, second floor, third floor, fourth floor and fifth floor of workshop B, No.2 Industrial Road, Langxin community, Shiyan street, Bao'an District, Shenzhen City, Guangdong Province. The workshop no.4-3, tongfuyu Industrial Zone, Aiqun Road, Shangwu community, Shiyan street, has a business place to engage in production and business activities Applicant before: Shenzhen zhuolineng Technology Co.,Ltd. |
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