CN104964330A - Novel dry type ground heating system - Google Patents
Novel dry type ground heating system Download PDFInfo
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- CN104964330A CN104964330A CN201510272816.4A CN201510272816A CN104964330A CN 104964330 A CN104964330 A CN 104964330A CN 201510272816 A CN201510272816 A CN 201510272816A CN 104964330 A CN104964330 A CN 104964330A
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- 238000010438 heat treatment Methods 0.000 title claims abstract description 67
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 22
- 230000002787 reinforcement Effects 0.000 claims description 38
- 238000005516 engineering process Methods 0.000 claims description 8
- 230000000694 effects Effects 0.000 claims description 7
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 5
- 241000168254 Siro Species 0.000 claims description 4
- 238000009987 spinning Methods 0.000 claims description 4
- 238000009434 installation Methods 0.000 claims description 3
- 239000000463 material Substances 0.000 abstract description 12
- 230000003014 reinforcing effect Effects 0.000 abstract description 7
- 238000009413 insulation Methods 0.000 abstract description 6
- 238000012423 maintenance Methods 0.000 abstract description 3
- 238000004519 manufacturing process Methods 0.000 abstract description 2
- 238000001125 extrusion Methods 0.000 abstract 3
- 238000009966 trimming Methods 0.000 abstract 1
- 238000009825 accumulation Methods 0.000 description 9
- 239000004568 cement Substances 0.000 description 6
- 239000004567 concrete Substances 0.000 description 5
- 230000005855 radiation Effects 0.000 description 4
- 230000015572 biosynthetic process Effects 0.000 description 3
- 238000010276 construction Methods 0.000 description 3
- 239000003513 alkali Substances 0.000 description 2
- 239000011083 cement mortar Substances 0.000 description 2
- 238000009408 flooring Methods 0.000 description 2
- 238000005338 heat storage Methods 0.000 description 2
- 230000002265 prevention Effects 0.000 description 2
- 238000012546 transfer Methods 0.000 description 2
- 241000894006 Bacteria Species 0.000 description 1
- 208000027418 Wounds and injury Diseases 0.000 description 1
- 230000002159 abnormal effect Effects 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000006978 adaptation Effects 0.000 description 1
- 230000000844 anti-bacterial effect Effects 0.000 description 1
- 239000011230 binding agent Substances 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 239000000919 ceramic Substances 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 238000005034 decoration Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 208000014674 injury Diseases 0.000 description 1
- 229910003471 inorganic composite material Inorganic materials 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000012782 phase change material Substances 0.000 description 1
- 238000012797 qualification Methods 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
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- Floor Finish (AREA)
Abstract
The invention relates to the field of ground heating manufacturing, and particularly relates to a dry type ground heating system. The system includes a first unit and a second unit, a second unit includes two insulation plastic extrusion boards and two transverse reinforcing members that are uniformly distributed at intervals, compared with the second unit, the first unit is additionally provided with two longitudinal fixing members, the longitudinal fixing members are arranged at the two longitudinal sides, vertical to the transverse reinforcing members, of the insulation plastic extrusion boards, the first unit and the second unit are arranged at an interval, the transverse reinforcing members of the first unit and the transverse reinforcing members of the second unit are on the same straight line, the combination part of the second unit and a wall edge is provided with a trimming keel for reinforcing, the insulation plastic extrusion boards are provided with grooves for water pipes to be embedded, and the transverse reinforcing members and the two longitudinal fixing members are provided with holes for the water pipes to pass through. The novel dry type ground heating system is less in integral thickness, large in support force, convenient for module structure maintenance, and various finishing materials can be arranged on the ground heating system.
Description
Technical field
The present invention relates to floor heating manufacturing technology field, be specifically related to a kind of Novel dry ground heating system.
Background technology
Floor heating is the abbreviation of floor panel heating, is with whole ground for radiator, and by the heating agent in flooring radiation layer, the whole ground of homogeneous heating, utilizes the rule of the accumulation of heat on ground self and heat upwards radiation to conduct from the bottom to top, reach the object of heating.Compared with traditional heating system, floor heating more meets heat conducting rule, is more conducive to attractive in appearance, more science, more saves the energy.
To warm up with being divided into water the large class of electric floor heating two from thermal medium, water floor heating refers to and water is heated to uniform temperature, is transported to underfloor water pipe pipe radiating network, is generated heat and realize a kind of heating mode of heating object by floor.
Electricity floor heating is allowed by outer surface the operating temperature upper limit to be that the heating cable of 65 DEG C or Electric radiant Heating Film are embedded in floor, as heat source floor, controls room temperature or floor temperature, realize the heating system of ground radiation heating with temperature controller.
Water floor heating to be warmed up dry floor heating two kinds from paving structure with being divided into wet type.Wet type floor heating, just refer to concrete floor heating pipeline embedding, then on concrete layer, re-lay the floor decorative material such as floor or floor tile.Dry floor heating is a kind of a kind of novel ground heater mode not adopting concrete backfill when floor heating is mated formation.Traditional wet type floor heating is first at upper berth, original cement flooring lid layer heat-insulation layer, and then on heat-insulation layer, lay heating pipeline, then use concrete to carry out backfill to heating pipeline to build, the finally floor decorative material such as installing floor board or ceramic tile on concrete backfill layer, add ground decoration layer, highly be generally 8 centimeters, account for floor height too much; This kind of wet type floor heating maintenance difficult, for cement mortar is laid, plays temperature slow after heating; Heat conduction is uneven; , there is the accumulation of salt in the surface soil and can reach 12 to 13 in pH value about 8; Traditional wet floor heating structure is due to the impact of the anti-alkali of mattess and heat conduction inequality, and the ground finishing material of adaptation is limited.
Summary of the invention
The object of this invention is to provide a kind of Novel dry ground heating system, integral thickness is little, and support force is large, and modular construction is easy to maintenance, can use multiple finishing material on ground heating system.
For achieving the above object, the technical solution adopted in the present invention is: comprise first module and second unit, first module comprises two block-shaped identical insulating extruded boards, two pieces of horizontal reinforcements and two longitudinal fixtures, insulating extruded board and horizontal reinforcement uniform intervals distribute and compact siro spinning technology, and longitudinal fixture is installed on the both sides of insulating extruded board and the perpendicular longitudinal direction of horizontal reinforcement; Second unit comprises two insulating extruded boards and two horizontal reinforcements, and insulating extruded board and horizontal reinforcement uniform intervals distribute; First module and second unit are spaced, and the horizontal reinforcement in first module and the horizontal reinforcement on second unit are on the same line; Insulating extruded board is provided with the groove of setting installation for water pipe, and horizontal reinforcement and longitudinal fixture are equipped with the fluting passed through for water pipe.
Preferably, described groove comprises at least one transverse groove, at least one cannelure and deep-slotted chip breaker, and transverse groove intersects vertically with cannelure and communicates, and deep-slotted chip breaker is tangent with cannelure and communicate.
Preferably, the quantity of described cannelure is two, deep-slotted chip breaker comprises identical 1/2 arc groove of radius of curvature and two 1/4 arc grooves, 1/2 arc groove is between two cannelures, 1/4 arc groove is positioned at the both sides of two cannelures, point of contact and 1/4 arc groove of 1/2 arc groove and cannelure overlap with the point of contact of cannelure, and the circular arc of 1/2 arc groove and 1/4 arc groove is towards identical.
Preferably, the circular arc relative orientation of 1/2 arc groove on two insulating extruded boards on same unit is positioned at.
Preferably, the thickness of described horizontal reinforcement and longitudinal fixture equals the thickness of insulating extruded board.
Preferably, described first module and second unit also comprise heat-conducting plate respectively, and what heat-conducting plate was located at insulating extruded board establishes reeded side, and heat-conducting plate is provided with convex stupefied, and convex stupefied position is corresponding with the position of cannelure, and convex stupefied ledge is embedded in cannelure.
Preferably, described convex stupefied shape is Ω shape.
Preferably, described heat-conducting plate is heat conduction aluminium flake.
Preferably, described horizontal reinforcement and longitudinal fixture are keel structure.
After adopting technique scheme, the present invention has following good effect:
(1) Novel dry ground heating system of the present invention, insulating extruded board can stop heat to transmit to underground, and improve heat utilization rate, horizontal reinforcement and longitudinal fixture are keel structure, high strength is provided to support, its compression strength is far above ordinary cement goods, thus it is injury-free to protect water pipe, lays heat conduction aluminium flake above water pipe, can increasing heat radiation area, improve heating effect, meanwhile, also can be moistureproof;
(2) Novel dry ground heating system of the present invention, be divided into first module and second unit, the difference of first module and second unit is containing two longitudinal fixtures, first module and second unit spaced apart, just can ensure that longitudinal fixture is between adjacent insulating extruded board, and the height of longitudinal fixture and horizontal reinforcement equals the height of insulating extruded board, accumulation of heat panel and aluminium flake are combined closely, ensure the efficiency of heat conduction, traditional dry type module, because after there is no keel structure Long-Time Service, insulating extruded board is out of shape, make finish coat on accumulation of heat panel and hot-water heating pipe can not good contact, abnormal sound and heat transfer efficiency is caused to decline, expend the energy, and modular construction, be convenient to search, location and replacing damaged parts,
(3) Novel dry ground heating system of the present invention, solve that conventional wet type floor heating thickness is excessive, heat up problem slowly, the thickness of whole system is the half of ordinary cement floor heating thickness, thermal conductivity is higher than conventional cement mortar, the average heating-up time shortens more than three times, and there will not be the anti-alkali phenomenon of ordinary cement material, pH value is 8, protecting field face finishing material;
(4) in prior art, part floor decorative material can not be laid on cement be binding agent ground on, with ground heating system of the present invention not only to floor decorative material without particular/special requirement, the occasion such as toilet, kitchen can also be used for, strong adaptability.
Accompanying drawing explanation
Fig. 1 is the first module of Novel dry ground heating system of the present invention and the stereogram of second unit split;
Fig. 2 is the top view after Novel dry ground heating system of the present invention local first module and second unit split remove heat-conducting plate;
Fig. 3 is the parts decomposing schematic representation of Novel dry ground heating system of the present invention;
Fig. 4 is the top view of the first module of Novel dry ground heating system of the present invention, second unit and the split of deburring keel.
Wherein: 1, first module, 2, second unit, 3, insulating extruded board, 4, horizontal reinforcement, 5, longitudinal fixture, 6, water pipe, 7, groove, 71, transverse groove, 72, cannelure, 73, deep-slotted chip breaker, 731,1/2 arc groove, 732,1/4 arc groove, 8, heat-conducting plate, 81, convex stupefied, 9, deburring keel, 10, accumulation of heat panel.
Detailed description of the invention
Below in conjunction with the drawings and specific embodiments, the present invention is described in further detail.
" transverse direction " and " longitudinal direction " content all only in order to coordinate description to disclose described in the application, understand for person skilled in the art scholar and read, and be not used to limit the enforceable qualifications of the present invention, therefore the not technical essential meaning of tool, the change of its relativeness or adjustment, under changing technology contents without essence, when being also considered as the enforceable category of the present invention.
As Figure 1-4, be Novel dry ground heating system of the present invention, comprise first module 1 and second unit 2.First module 1 comprises the two block-shaped identical horizontal reinforcement 4 of insulating extruded board 3, two pieces and two longitudinal fixtures 5.Place a horizontal reinforcement 4 in the middle of two pieces of insulating extruded boards 3, a horizontal reinforcement 4 is also placed in an end of the module of above-mentioned formation, makes insulating extruded board 3 and horizontal reinforcement 4 spaced apart and compact siro spinning technology.Two longitudinal fixtures 5 are positioned at the both sides of insulating extruded board 3, and longitudinal fixture 5 is vertical with horizontal reinforcement 4, and longitudinal fixture 5 is reinforced insulating extruded board 3 from vertical direction, and horizontal reinforcement 4 is from transversely reinforcing insulating extruded board 3.Insulating extruded board 3 is located at the orlop of type dry ground heating system, and type dry ground heating system is installed on ground, and insulating extruded board 3 directly contacts with ground, for heat insulation.
Described second unit 2 comprises the identical insulating extruded board 3 of two shapes and two horizontal reinforcements 4.Place a horizontal reinforcement 4 between two insulating extruded boards 3, a horizontal reinforcement 4 is also placed in an end of the module of above-mentioned formation, makes insulating extruded board 3 and horizontal reinforcement 4 spaced apart and compact siro spinning technology.
Above-mentioned first module 1 and the difference of second unit 2 are that first module 1 is containing two longitudinal fixtures 5, when laying ground heating system, first module 1 and second unit 2 are spaced laying, and make the horizontal reinforcement 4 in first module 1 and the horizontal reinforcement 4 on second unit 2 on the same line.Above-mentioned spaced arrangement, ensure that longitudinal fixture 5 is between adjacent insulating extruded board 3, strengthens supporting role.First module 1 equals the thickness of insulating extruded board 3 with the horizontal reinforcement 4 in second unit 2 and the thickness of longitudinal fixture 5.
Insulating extruded board 3 is provided with the groove 7 of setting installation for water pipe 6, and horizontal reinforcement 4 is keel structure with longitudinal fixture 5, and water pipe 6 passes through from keel structure intermediate gaps.Water pipe 6 on multiple unit forms hot water flow passage.Groove 7 comprises a transverse groove 71, two cannelures 72 and a deep-slotted chip breaker 73, and transverse groove 71 intersects vertically with cannelure 72 and communicates, and deep-slotted chip breaker 73 is tangent with cannelure 72 and communicate.In the present embodiment, deep-slotted chip breaker 73 comprises identical 1/2 arc groove 731 of radius of curvature and two 1/4 arc grooves 732,1/2 arc groove 731 is between two cannelures 72,1/4 arc groove 732 is positioned at the both sides of two cannelures 72, point of contact and 1/4 arc groove 732 of 1/2 arc groove 731 and cannelure 72 overlap with the point of contact of cannelure 72, and the circular arc of 1/2 arc groove 731 and 1/4 arc groove 732 is towards identical.Be positioned at the circular arc relative orientation of 1/2 arc groove 731 on two insulating extruded boards 3 on same unit.The designing and arranging mode for cloth of this kind of groove 7, makes water circulation non-resistance, and reaches best radiating effect, high to heat utilization efficiency.
Be appreciated that the quantity of transverse groove 71, cannelure 72 and deep-slotted chip breaker 73 can do reasonable change, all can reach above-mentioned effect.
Insulating extruded board 3 on first module 1 and second unit 2 is respectively provided with heat-conducting plate 8, and heat-conducting plate 8 is provided with convex stupefied 81, and the convex position of stupefied 81 is corresponding with the position of cannelure 72, and the convex ledge of stupefied 81 is embedded in cannelure 72.Heat-conducting plate 8 arranges convex stupefied 81, can be firm make water pipe 6 inlay card in groove 7.The convex shape of stupefied 81 is Ω shape, eliminates pipe clamp, does not also need to use glue overlay film to fix.In the present embodiment, heat-conducting plate 8 is heat conduction aluminium flake, and material is light, and heat-transfer effect is good.
When actual Novel dry ground heating system is laid, first module 1 forms an entirety, and second unit 2 is layed in the place closing on wall limit, and the size of second unit 2 can according to actual conditions cutting.Between second unit 2 and wall limit, add deburring keel 9, deburring keel 9 play location and undertaking effect, revise off side in construction, strengthen structure load-bearing.
Directly can add installed floor above heat-conducting plate 8, also can first install accumulation of heat panel 10 additional, then add installed floor.Accumulation of heat panel 10 is inorganic composite materials, has good heat storage capacity, and even heat is discharged, as the one of phase-change material, provide the balance of heat storage capacity and the capacity of heat transmission, greatly reduce difference variation amplitude, the index of economize energy is remarkable in actual applications.In configuration aspects, heat-conducting plate 8 and water pipe 6 compress by accumulation of heat panel 10, ensure that the efficiency of heat.The feature of environmental protection of accumulation of heat panel 10 material, fire prevention, protection against the tide, antibacterial index reach the instructions for use be perfectly safe.The material that this technology adopts have passed international LBC (ecotecture challenge) standard, and without any pollution, fire prevention reaches A1 level, the moisture absorption, and bubble does not affect intensity, without distortion, and not easily bacteria living.
Type dry ground heating system prepared by the present invention, thickness is only the half of traditional cement floor heating thickness, is greatly thinned the thickness of entirely heating system.
To one skilled in the art, according to technical scheme described above and design, other various corresponding change and deformation can be made, and all these change and deformation all should belong within the protection domain of application claims.
Claims (9)
1. a Novel dry ground heating system, it is characterized in that: comprise first module (1) and second unit (2), first module (1) comprises two block-shaped identical insulating extruded boards (3), two pieces of horizontal reinforcements (4) and two longitudinal fixtures (5), insulating extruded board (3) and horizontal reinforcement (4) uniform intervals distribute and compact siro spinning technology, and longitudinal fixture (5) is installed on the both sides of the longitudinal direction perpendicular with horizontal reinforcement (4) of insulating extruded board (3); Second unit (2) comprises two insulating extruded boards (3) and two horizontal reinforcements (4), and insulating extruded board (3) and horizontal reinforcement (4) uniform intervals distribute; First module (1) and second unit (2) are spaced, and the horizontal reinforcement (4) in first module (1) and the horizontal reinforcement (4) on second unit (2) are on the same line, second unit (2) and wall limit binding site have been provided with the deburring keel (9) of reinforcement effect; Insulating extruded board (3) is provided with the groove (7) of setting installation for water pipe (6), and horizontal reinforcement (4) and longitudinal fixture (5) are equipped with the fluting passed through for water pipe (6).
2. Novel dry ground heating system according to claim 1, it is characterized in that: groove (7) comprises at least one transverse groove (71), at least one cannelure (72) and at least one deep-slotted chip breaker (73), transverse groove (71) intersects vertically with cannelure (72) and communicates, and deep-slotted chip breaker (73) is tangent with cannelure (72) and communicate.
3. Novel dry ground heating system according to claim 2, it is characterized in that: the quantity of described cannelure (72) is two, deep-slotted chip breaker (73) comprises identical 1/2 arc groove (731) of radius of curvature and two 1/4 arc grooves (732), 1/2 arc groove (731) is positioned between two cannelures (72), 1/4 arc groove (732) is positioned at the both sides of two cannelures (72), point of contact and 1/4 arc groove (732) of 1/2 arc groove (731) and cannelure (72) overlap with the point of contact of cannelure (72), the circular arc of 1/2 arc groove (731) and 1/4 arc groove (732) is towards identical.
4. Novel dry ground heating system according to claim 3, is characterized in that: the circular arc relative orientation being positioned at 1/2 arc groove (731) on two insulating extruded boards (3) on same unit.
5. Novel dry ground heating system according to claim 1, is characterized in that: horizontal reinforcement (4) equals the thickness of insulating extruded board (3) with the thickness of longitudinal fixture (5).
6. Novel dry ground heating system according to claim 2, it is characterized in that: first module (1) and second unit (2) also comprise heat-conducting plate (8) respectively, heat-conducting plate (8) is located at the side being provided with groove (7) of insulating extruded board (3), heat-conducting plate (8) is provided with convex stupefied (81), the position of convex stupefied (81) is corresponding with the position of cannelure (72), and the ledge of convex stupefied (81) is embedded in cannelure (72).
7. Novel dry ground heating system according to claim 6, is characterized in that: the shape of convex stupefied (81) is Ω shape.
8. Novel dry ground heating system according to claim 6, is characterized in that: described heat-conducting plate (8) is heat conduction aluminium flake.
9. Novel dry ground heating system according to claim 1, is characterized in that: horizontal reinforcement (4) and longitudinal fixture (5) are keel structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510272816.4A CN104964330B (en) | 2015-05-25 | 2015-05-25 | Type dry ground heating system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510272816.4A CN104964330B (en) | 2015-05-25 | 2015-05-25 | Type dry ground heating system |
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| CN104964330A true CN104964330A (en) | 2015-10-07 |
| CN104964330B CN104964330B (en) | 2018-06-12 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201510272816.4A Active CN104964330B (en) | 2015-05-25 | 2015-05-25 | Type dry ground heating system |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105928034A (en) * | 2016-04-29 | 2016-09-07 | 齐齐哈尔宏博暖通科技有限公司 | Open type self-clamping pipe geothermal pipe mounting module |
| CN107938987A (en) * | 2017-11-28 | 2018-04-20 | 浙江亚厦装饰股份有限公司 | Heat accumulating type dry method floor heating fast spreading structure and method |
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| JP2000111071A (en) * | 1998-10-08 | 2000-04-18 | Yamaha Ribingutetsuku Kk | Floor heating device |
| CN101025278A (en) * | 2006-02-24 | 2007-08-29 | 黄拔捷 | Warm-water floor-heating type heating board |
| KR20080107601A (en) * | 2007-06-07 | 2008-12-11 | 김기성 | An underfloor-heating room spatial-temporal method and the structure which use the loess |
| CN201635320U (en) * | 2010-01-14 | 2010-11-17 | 蒋龙钰 | Thin type dry ground heating system |
| KR101386923B1 (en) * | 2013-11-01 | 2014-04-18 | 이병철 | Hot water heating system for interlayer noise prevention |
| CN204678456U (en) * | 2015-05-25 | 2015-09-30 | 江苏唐盾材料科技有限公司 | Novel dry ground heating system |
-
2015
- 2015-05-25 CN CN201510272816.4A patent/CN104964330B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000111071A (en) * | 1998-10-08 | 2000-04-18 | Yamaha Ribingutetsuku Kk | Floor heating device |
| CN101025278A (en) * | 2006-02-24 | 2007-08-29 | 黄拔捷 | Warm-water floor-heating type heating board |
| KR20080107601A (en) * | 2007-06-07 | 2008-12-11 | 김기성 | An underfloor-heating room spatial-temporal method and the structure which use the loess |
| CN201635320U (en) * | 2010-01-14 | 2010-11-17 | 蒋龙钰 | Thin type dry ground heating system |
| KR101386923B1 (en) * | 2013-11-01 | 2014-04-18 | 이병철 | Hot water heating system for interlayer noise prevention |
| CN204678456U (en) * | 2015-05-25 | 2015-09-30 | 江苏唐盾材料科技有限公司 | Novel dry ground heating system |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105928034A (en) * | 2016-04-29 | 2016-09-07 | 齐齐哈尔宏博暖通科技有限公司 | Open type self-clamping pipe geothermal pipe mounting module |
| CN107938987A (en) * | 2017-11-28 | 2018-04-20 | 浙江亚厦装饰股份有限公司 | Heat accumulating type dry method floor heating fast spreading structure and method |
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| CN104964330B (en) | 2018-06-12 |
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Denomination of invention: Dry floor heating system Effective date of registration: 20221226 Granted publication date: 20180612 Pledgee: Huai'an Development Financing Guarantee Co.,Ltd. Pledgor: JIANGSU TANGDUN MATERIAL TECHNOLOGY CO.,LTD. Registration number: Y2022980029105 |
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Effective date of registration: 20240619 Address after: Room 201, 2nd Floor, Building 12, No. 3408 Xiupu Road, Pudong New Area, Shanghai, 201315 Patentee after: TANGDUN FUNCTIONAL MATERIALS CO.,LTD. Country or region after: China Address before: No. 3 Heshun Road, Economic and Technological Development Zone, Huai'an City, Jiangsu Province, 223001 Patentee before: JIANGSU TANGDUN MATERIAL TECHNOLOGY CO.,LTD. Country or region before: China |
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