CN107235653A - A kind of enhanced concrete waterproofer - Google Patents
A kind of enhanced concrete waterproofer Download PDFInfo
- Publication number
- CN107235653A CN107235653A CN201710424393.2A CN201710424393A CN107235653A CN 107235653 A CN107235653 A CN 107235653A CN 201710424393 A CN201710424393 A CN 201710424393A CN 107235653 A CN107235653 A CN 107235653A
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- Prior art keywords
- dispersion liquid
- concrete
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- hollow glass
- mass ratio
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- 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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Classifications
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B40/00—Processes, in general, for influencing or modifying the properties of mortars, concrete or artificial stone compositions, e.g. their setting or hardening ability
- C04B40/0028—Aspects relating to the mixing step of the mortar preparation
- C04B40/0039—Premixtures of ingredients
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B20/00—Use of materials as fillers for mortars, concrete or artificial stone according to more than one of groups C04B14/00 - C04B18/00 and characterised by shape or grain distribution; Treatment of materials according to more than one of the groups C04B14/00 - C04B18/00 specially adapted to enhance their filling properties in mortars, concrete or artificial stone; Expanding or defibrillating materials
- C04B20/02—Treatment
- C04B20/023—Chemical treatment
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B2103/00—Function or property of ingredients for mortars, concrete or artificial stone
- C04B2103/60—Agents for protection against chemical, physical or biological attack
- C04B2103/65—Water proofers or repellants
Abstract
The present invention relates to a kind of enhanced concrete waterproofer, belong to concrete water-proof technical field.The present invention is counted by weight, including 50~60 parts of reactant powders, 30~35 parts of hollow glass micropearls, 5~7 parts of gypsum and 3~5 parts of calcareous lime；Described reactant powders are to weigh tartaric acid, flyash and absolute ethyl alcohol mixing respectively, dispersion liquid 1 is obtained after ultrasonic disperse, calcium stearate is weighed again to add in absolute ethyl alcohol, dispersion liquid 2 is obtained after ultrasonic disperse, dispersion liquid 1 and scattered 2 are mixed into obtain mixed dispersion liquid, heated reaction, dry, grinding, sieving, obtain reactant powders.Concrete waterproofer produced by the present invention can go deep into the crack of concrete, hole, and form crystal and can be consolidated with the space of fill concrete, reach the purpose of waterproof, seepage velocity is fast, and penetration depth is big, and the intensity of concrete can be effectively improved after use.
Description
Technical field
The present invention relates to a kind of enhanced concrete waterproofer, belong to concrete water-proof technical field.
Background technology
Concrete is as a kind of widely used construction material, and consumption is huge in architectural engineering.The intensity of concrete is come
From in the aquation of cement, hydrated cementitious can only be carried out in the capillary filled by water, and concrete is commonly exposed to water soluble
Property ion（Mainly chlorion）, in the erosion environment such as acid rain low temperature, can be corroded and be destroyed unavoidably, cause concrete physics
Mechanical properties decrease, shortens the service life of architectural engineering.
The key of hydrated cementitious and concrete corrosion is all water.Concrete is a kind of point homogenieity material, with porous knot
Structure.On the one hand within curing period, water is scattered and disappeared by capilar bore, especially in high temperature area, easily causes efflorescence, cracking etc. after maintenance
Problem；On the other hand under arms in the phase, water is penetrated into concrete by capilar bore, wherein water dissolvable ion（Mainly chlorine
Ion）There is corrosiveness to concrete reinforcing steel, cement.Therefore, solving these key to the issues is protected in concrete surface formation
Sheath, blocks concrete inner capillary tube hole, the infiltration scattered and disappeared with service phase water of water when preventing from conserving.
Curing compound and waterproofing agent it is various in style, typical species include epoxy resin, polyurethane, organosilicon,
Silicate, acrylic acid, vinylite, alkyd resin, chlorinated rubber etc..And part sealing compound and waterproofing agent have toxicity, or
With higher viscosity, the effect of application is not satisfactory, and main cause is that these products are only covered in concrete surface or can not
Enough depth are infiltrated into, waterproofing layer thickness is not enough, and addition can cause intensity decreases, the retraction of concrete in concrete.Cause
This, it would be highly desirable to develop a kind of using rear permeable enough depth, can effectively improve the concrete waterproofer of concrete strength has
Necessary meaning.
The content of the invention
The present invention solves the technical problem of：Concrete surface or impermeable is only covered in for conventional waterproof agent
To enough depth, there is provided a kind of enhanced coagulation for the problem of addition can cause the intensity decreases of concrete in concrete
Native waterproofing agent.
In order to solve the above-mentioned technical problem, the technical solution adopted in the present invention is：
A kind of enhanced concrete waterproofer, is counted by weight, including：50~60 parts of reactant powders, 30~35 parts it is hollow
Glass microballoon, 5~7 parts of gypsum and 3~5 parts of calcareous lime；
The preparation method of described reactant powders is：
（1）In mass ratio 1:1:10, obtain dispersion liquid after tartaric acid, flyash and absolute ethyl alcohol mixing, ultrasonic disperse are weighed respectively
1, then in mass ratio 1:8, weigh calcium stearate add absolute ethyl alcohol in, after ultrasonic disperse dispersion liquid 2, by dispersion liquid 1 and point
Dissipate 2 and mix to obtain mixed dispersion liquid；
（2）Above-mentioned mixed dispersion liquid is fitted into beaker, reactant is obtained after heating response, by reactants dry, grinding, sieving,
Obtain reactant powders.
Described hollow glass micro-ball can also be modified, and the step of being modified hollow glass micro-ball is：
（1）It is 10~20 μm of hollow glass micropearls to weigh particle diameter, adds in the sodium hydroxide solution of mass fraction 5% and soaks, immersion 20
Filter residue is filtered to obtain after~30min, is washed with water after filter residue to neutrality and dries, obtain dried object；
（2）In mass ratio 1:10, dried object is added in absolute ethyl alcohol, the coupling agent KH- of dried object quality 2~4% is subsequently added
Filtered after 560,2~3h of stirring mixing, obtain filter cake, hollow glass micropearl must be pre-processed after drying；
（4）In mass ratio 5:1, pretreatment hollow glass micropearl is mixed with methyl-silicone oil, unnecessary first is drawn with filter paper after stirring
Base silicone oil, you can obtain being modified hollow glass micropearl.
1~3 part of isobutyl triethoxy silane can also be added.
The beneficial effects of the invention are as follows：
（1）The present invention adds hollow glass micro-ball, and modified by methyl-silicone oil, has hollow glass micro-ball excellent
Hydrophobic performance, is added in concrete, and firm hydrophobic surface layer, i.e., one are formed in cement hole micropore and pore
The netted siloxanes molecular film of repellency is planted, with very low surface tension, can be evenly distributed on porous silicate base material, make micro-
There is fabulous repellency on the hole wall of hole, improve the water resistance of concrete；
（2）The present invention is prepared into reactant powders using tartaric acid, flyash and calcium stearate, and the reactant powders can be with mixing
- OH reactions in solidifying soil, consume the hydroxyl in concrete, reduce material hole table and tension force, water is improved to a certain extent
The compactness of mud, and then the water resistance of mortar is improved, and waterproofing agent addition seepage velocity in concrete is fast, and infiltration is deep
Degree foot, can strengthen the intensity, hardness and density of concrete after use；
（3）The present invention adds isobutyl triethoxy silane, because the small molecule structure that isobutyl triethoxy silane has can
Cementing properties surface is penetrated, inside concrete is penetrated into and is chemically reacted with the hydrone in cast concrete base, permanent jail is formed
Solid high-environmental waterproof layer, percdation, suppress moisture absorption, reach the purpose of waterproof.
Embodiment
In mass ratio 1:1:10, tartaric acid, flyash and absolute ethyl alcohol are weighed respectively to be mixed, 20~25min of ultrasonic disperse,
Obtain dispersion liquid 1, then in mass ratio 1:8, weigh calcium stearate and add in absolute ethyl alcohol, 15~20min of ultrasonic disperse obtains dispersion liquid
2,20~30min of ultrasonic disperse will be continued after dispersion liquid 1 and scattered 2 mixing, mixed dispersion liquid is obtained；Mixed dispersion liquid is loaded and burnt
In cup, 2~4h of stirring reaction after 60~70 DEG C is heated to, reaction is cooled to room temperature after terminating and suction filtration obtains filter residue, as reacts
Thing, reactant is put into baking oven, and 20~30h is dried at a temperature of 60~70 DEG C, is ground after drying, is crossed 400~420 mesh sieves,
Obtain reactant powders；It is 10~20 μm of hollow glass micropearls to weigh 8~10g particle diameters, is added to 200~300mL mass fractions 5%
Soaked in sodium hydroxide solution, filter residue is filtered to obtain after 20~30min of immersion, it is neutrality that filter residue to cleaning solution, which is washed with deionized,
After be put into baking oven, at a temperature of 70~80 DEG C dry 8~10h, dried object is obtained, by dried object in mass ratio 1:10 are added to nothing
In water-ethanol, filtered after being subsequently added the coupling agent KH-560 of dried object quality 2~4%, 2~3h of stirring mixing, obtain filter cake, be put into
In baking oven, 4~6h is dried at a temperature of 70~80 DEG C, pretreatment hollow glass micropearl is obtained；In mass ratio 5:1, it must pre-process
Hollow glass micropearl is mixed with methyl-silicone oil, draws unnecessary methyl-silicone oil with filter paper after 30~40min of stirring, you can be modified
Hollow glass micropearl；Count by weight, 50~60 parts of reactant powders are chosen respectively, 30~35 parts of modified hollow glass are micro-
Pearl, 5~7 parts of gypsum, 3~5 parts of calcareous lime and 1~3 part of isobutyl triethoxy silane, must can be mixed after being uniformly mixed
Solidifying soil waterproofing agent.
Example 1
In mass ratio 1:1:10, tartaric acid, flyash and absolute ethyl alcohol mixing are weighed respectively, and ultrasonic disperse 20min obtains dispersion liquid
1, then in mass ratio 1:8, weigh calcium stearate and add in absolute ethyl alcohol, ultrasonic disperse 15min obtains dispersion liquid 2, by dispersion liquid 1
Continue ultrasonic disperse 20min with after scattered 2 mixing, obtain mixed dispersion liquid；Mixed dispersion liquid is fitted into beaker, 60 DEG C are heated to
Stirring reaction 2h afterwards, reaction is cooled to room temperature after terminating and suction filtration obtains filter residue, as reactant, and reactant is put into baking oven,
20h is dried at a temperature of 60 DEG C, is ground after drying, is crossed 400 mesh sieves, obtain reactant powders；It is 10 μm of hollow glass to weigh 8g particle diameters
Glass microballon, is added in the sodium hydroxide solution of 200mL mass fractions 5% and soaks, and filters to obtain filter residue after immersion 20min, uses deionization
Water washing filter residue, to be put into after neutrality in baking oven, 8h is dried at a temperature of 70 DEG C, dried object is obtained, dried object is pressed into matter to cleaning solution
Amount compares 1:10 are added in absolute ethyl alcohol, filter, obtain after being subsequently added the coupling agent KH-560 of dried object quality 2%, stirring mixing 2h
Filter cake, is put into baking oven, and 4h is dried at a temperature of 70 DEG C, pretreatment hollow glass micropearl is obtained；In mass ratio 5:1, incite somebody to action to obtain pre- place
Reason hollow glass micropearl is mixed with methyl-silicone oil, and unnecessary methyl-silicone oil is drawn with filter paper after stirring 30min, you can obtain modified sky
Heart glass microballoon；Count by weight, 50 parts of reactant powders, 30 parts of modified hollow glass micropearls, 5 parts of gypsum, 3 are chosen respectively
The calcareous lime of part and 1 part of isobutyl triethoxy silane, can obtain concrete waterproofer after being uniformly mixed.
After greasy dirt, dust, the debris cleaning totally on concrete base layer surface, in mass ratio 3:1:0.05, by cement, water
The concrete waterproofer mixing being made with the present invention, obtains concrete slurry, is placed in mould after being uniformly mixed under 80r/min
Shaping is poured in tool, maintenance is stripped after shaping, is watered daily 3 times, irrigation amount is 1L/m3, maintenance can obtain concrete.
Example 2
In mass ratio 1:1:10, tartaric acid, flyash and absolute ethyl alcohol mixing are weighed respectively, and ultrasonic disperse 23min obtains dispersion liquid
1, then in mass ratio 1:8, weigh calcium stearate and add in absolute ethyl alcohol, ultrasonic disperse 18min obtains dispersion liquid 2, by dispersion liquid 1
Continue ultrasonic disperse 25min with after scattered 2 mixing, obtain mixed dispersion liquid；Mixed dispersion liquid is fitted into beaker, 65 DEG C are heated to
Stirring reaction 3h afterwards, reaction is cooled to room temperature after terminating and suction filtration obtains filter residue, as reactant, and reactant is put into baking oven,
25h is dried at a temperature of 65 DEG C, is ground after drying, is crossed 410 mesh sieves, obtain reactant powders；It is 15 μm of hollow glass to weigh 9g particle diameters
Glass microballon, is added in the sodium hydroxide solution of 250mL mass fractions 5% and soaks, and filters to obtain filter residue after immersion 25min, uses deionization
Water washing filter residue, to be put into after neutrality in baking oven, 9h is dried at a temperature of 75 DEG C, dried object is obtained, dried object is pressed into matter to cleaning solution
Amount compares 1:10 are added in absolute ethyl alcohol, filter, obtain after being subsequently added the coupling agent KH-560 of dried object quality 3%, stirring mixing 3h
Filter cake, is put into baking oven, and 5h is dried at a temperature of 75 DEG C, pretreatment hollow glass micropearl is obtained；In mass ratio 5:1, incite somebody to action to obtain pre- place
Reason hollow glass micropearl is mixed with methyl-silicone oil, and unnecessary methyl-silicone oil is drawn with filter paper after stirring 35min, you can obtain modified sky
Heart glass microballoon；Count by weight, 55 parts of reactant powders, 33 parts of modified hollow glass micropearls, 6 parts of gypsum, 4 are chosen respectively
The calcareous lime of part and 2 parts of isobutyl triethoxy silanes, can obtain concrete waterproofer after being uniformly mixed.
After greasy dirt, dust, the debris cleaning totally on concrete base layer surface, in mass ratio 3:1:0.05, by cement, water
The concrete waterproofer mixing being made with the present invention, obtains concrete slurry, is placed in after being uniformly mixed under 100r/min
Shaping is poured in mould, maintenance is stripped after shaping, is watered daily 5 times, irrigation amount is 3L/m3, maintenance can obtain concrete.
Example 3
In mass ratio 1:1:10, tartaric acid, flyash and absolute ethyl alcohol mixing are weighed respectively, and ultrasonic disperse 25min obtains dispersion liquid
1, then in mass ratio 1:8, weigh calcium stearate and add in absolute ethyl alcohol, ultrasonic disperse 20min obtains dispersion liquid 2, by dispersion liquid 1
Continue ultrasonic disperse 30min with after scattered 2 mixing, obtain mixed dispersion liquid；Mixed dispersion liquid is fitted into beaker, 70 DEG C are heated to
Stirring reaction 4h afterwards, reaction is cooled to room temperature after terminating and suction filtration obtains filter residue, as reactant, and reactant is put into baking oven,
30h is dried at a temperature of 70 DEG C, is ground after drying, is crossed 420 mesh sieves, obtain reactant powders；It is 20 μm of hollow glass to weigh 10g particle diameters
Glass microballon, is added in the sodium hydroxide solution of 300mL mass fractions 5% and soaks, and filters to obtain filter residue after immersion 30min, uses deionization
Water washing filter residue, to be put into after neutrality in baking oven, 10h is dried at a temperature of 80 DEG C, dried object is obtained, dried object is pressed to cleaning solution
Mass ratio 1:10 are added in absolute ethyl alcohol, are filtered after being subsequently added the coupling agent KH-560 of dried object quality 4%, stirring mixing 3h,
Filter cake is obtained, is put into baking oven, 6h is dried at a temperature of 80 DEG C, pretreatment hollow glass micropearl is obtained；In mass ratio 5:1, incite somebody to action pre-
Treatment of hollow glass bead is mixed with methyl-silicone oil, draws unnecessary methyl-silicone oil with filter paper after stirring 40min, you can be modified
Hollow glass micropearl；Count by weight, 60 parts of reactant powders, 35 parts of modified hollow glass micropearls, 7 parts of stones are chosen respectively
Cream, 5 parts of calcareous lime and 3 parts of isobutyl triethoxy silanes, can obtain concrete waterproofer after being uniformly mixed.
After greasy dirt, dust, the debris cleaning totally on concrete base layer surface, in mass ratio 3:1:0.05, by cement, water
The concrete waterproofer mixing being made with the present invention, obtains concrete slurry, is placed in mould after being uniformly mixed under 90r/min
Shaping is poured in tool, maintenance is stripped after shaping, is watered daily 4 times, irrigation amount is 2L/m3, maintenance can obtain concrete.
By the concrete using concrete waterproofer obtained by above-described embodiment and the coagulation using Modified Organosilicon Waterproofing Agent
Soil is detected, and is contrasted, as a result as shown in Table 1.
Table one：
Remarks：1# is the concrete using Modified Organosilicon Waterproofing Agent.
As seen from the above table, present invention gained concrete waterproofer uses rear permeable enough depth, can effectively improve mixed
Solidifying soil intensity.
Claims (3)
1. a kind of enhanced concrete waterproofer, is counted by weight, including：50~60 parts of reactant powders, 30~35 parts of skies
Heart glass microballoon, 5~7 parts of gypsum and 3~5 parts of calcareous lime；
It is characterized in that：The preparation method of described reactant powders is：
（1）In mass ratio 1:1:10, obtain dispersion liquid after tartaric acid, flyash and absolute ethyl alcohol mixing, ultrasonic disperse are weighed respectively
1, then in mass ratio 1:8, weigh calcium stearate add absolute ethyl alcohol in, after ultrasonic disperse dispersion liquid 2, by dispersion liquid 1 and point
Dissipate 2 and mix to obtain mixed dispersion liquid；
（2）Above-mentioned mixed dispersion liquid is fitted into beaker, reactant is obtained after heating response, by reactants dry, grinding, sieving,
Obtain reactant powders.
2. a kind of enhanced concrete waterproofer according to claim 1, it is characterised in that：Described hollow glass micro-ball
It can also be modified, the step of being modified hollow glass micro-ball is：
（1）It is 10~20 μm of hollow glass micropearls to weigh particle diameter, adds in the sodium hydroxide solution of mass fraction 5% and soaks, immersion 20
Filter residue is filtered to obtain after~30min, is washed with water after filter residue to neutrality and dries, obtain dried object；
（2）In mass ratio 1:10, dried object is added in absolute ethyl alcohol, the coupling agent KH- of dried object quality 2~4% is subsequently added
Filtered after 560,2~3h of stirring mixing, obtain filter cake, hollow glass micropearl must be pre-processed after drying；
（4）In mass ratio 5:1, pretreatment hollow glass micropearl is mixed with methyl-silicone oil, unnecessary first is drawn with filter paper after stirring
Base silicone oil, you can obtain being modified hollow glass micropearl.
3. a kind of enhanced concrete waterproofer according to claim 1, it is characterised in that：Can also add 1~3 part it is different
Butyl triethoxysilane.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710424393.2A CN107235653A (en) | 2017-06-07 | 2017-06-07 | A kind of enhanced concrete waterproofer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710424393.2A CN107235653A (en) | 2017-06-07 | 2017-06-07 | A kind of enhanced concrete waterproofer |
Publications (1)
| Publication Number | Publication Date |
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| CN107235653A true CN107235653A (en) | 2017-10-10 |
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ID=59986178
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| Application Number | Title | Priority Date | Filing Date |
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| CN201710424393.2A Pending CN107235653A (en) | 2017-06-07 | 2017-06-07 | A kind of enhanced concrete waterproofer |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109374614A (en) * | 2018-11-27 | 2019-02-22 | 湖北建研科峰工程质量检测有限公司 | A method of based on periclase content in chemical method detection clinker |
| CN109374613A (en) * | 2018-11-27 | 2019-02-22 | 湖北建研科峰工程质量检测有限公司 | Periclase detection method of content in a kind of clinker |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101117280A (en) * | 2007-05-10 | 2008-02-06 | 陈土兴 | Sand pulp concrete waterproof agent and method for making same |
| CN104045286A (en) * | 2014-06-26 | 2014-09-17 | 青岛博洋生物技术有限公司 | Cement-based capillary crystalline waterproof material |
| CN104986987A (en) * | 2015-06-29 | 2015-10-21 | 青岛祥嘉知识产权服务有限公司 | Anti-seepage concrete water-proofing agent |
-
2017
- 2017-06-07 CN CN201710424393.2A patent/CN107235653A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101117280A (en) * | 2007-05-10 | 2008-02-06 | 陈土兴 | Sand pulp concrete waterproof agent and method for making same |
| CN104045286A (en) * | 2014-06-26 | 2014-09-17 | 青岛博洋生物技术有限公司 | Cement-based capillary crystalline waterproof material |
| CN104986987A (en) * | 2015-06-29 | 2015-10-21 | 青岛祥嘉知识产权服务有限公司 | Anti-seepage concrete water-proofing agent |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109374614A (en) * | 2018-11-27 | 2019-02-22 | 湖北建研科峰工程质量检测有限公司 | A method of based on periclase content in chemical method detection clinker |
| CN109374613A (en) * | 2018-11-27 | 2019-02-22 | 湖北建研科峰工程质量检测有限公司 | Periclase detection method of content in a kind of clinker |
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Effective date of registration: 20180427 Address after: 213000 Room 201, unit 62, 62 new cool village, Tianning District, Jiangsu Applicant after: Li Zhang Address before: 213102 No. 3, blue harbour garden, Xinbei District, Changzhou, Jiangsu, China 305 Applicant before: Changzhou Tong Biao Trading Co., Ltd. |
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