CN111910196A - Stainless steel pickling device with stainless steel pickling solution anti-sticking function and stainless steel pipe automatic pickling device - Google Patents
Stainless steel pickling device with stainless steel pickling solution anti-sticking function and stainless steel pipe automatic pickling device Download PDFInfo
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- CN111910196A CN111910196A CN202010756474.4A CN202010756474A CN111910196A CN 111910196 A CN111910196 A CN 111910196A CN 202010756474 A CN202010756474 A CN 202010756474A CN 111910196 A CN111910196 A CN 111910196A
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- stainless steel
- steel pipe
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- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23G—CLEANING OR DE-GREASING OF METALLIC MATERIAL BY CHEMICAL METHODS OTHER THAN ELECTROLYSIS
- C23G3/00—Apparatus for cleaning or pickling metallic material
- C23G3/04—Apparatus for cleaning or pickling metallic material for cleaning pipes
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/10—Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working
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Abstract
The utility model provides a stainless steel pipe automatic acid dip pickle that stainless steel pickle is prevented being stained with, includes: the sleeve is sleeved outside the stainless steel pipe; the first pickling part is arranged between the stainless steel pipe and the sleeve; the left clamp is clamped at the left end of the stainless steel pipe; the right clamp is clamped at the right end of the stainless steel pipe; one end of the right clamp is provided with a sliding shaft which can move along the axial direction of the stainless steel pipe and rotate along the circumferential direction of the stainless steel pipe; the groove part is arranged on the inner wall of the sleeve, and the first pickling part is arranged in the groove part; the first pickling section is composed of a first water jet, a first acid jet and a first acid-resistant material; the first acid spraying opening sprays pickling solution to the outer wall of the stainless steel pipe, and the sprayed pickling solution flows into the lower part of the outer layer space along the upper part of the outer layer space in the groove part after impacting the outer wall of the stainless steel pipe; the first water spray nozzle sprays clean water to the outer wall of the stainless steel pipe, and the residual pickling solution is sprayed to the middle part of the outer layer space after the sprayed clean water impacts the outer wall of the stainless steel pipe.
Description
Technical Field
The invention relates to the technical field of stainless steel pickling, in particular to an automatic pickling device for a stainless steel pipe, which prevents stainless steel pickling liquid from being stained.
Background
The stainless steel has black and yellow scale during processing, and the processed stainless steel needs to be subjected to pickling passivation treatment in order to improve the appearance and corrosion resistance of the stainless steel. The oxide skin generated after welding and high-temperature processing is removed, so that the oxide skin is silvery and bright, and a layer of oxide film taking chromium as a main substance is formed on the surface after processing, secondary oxygen corrosion is not generated, and the passivation purpose is achieved, so that the surface corrosion resistance quality of the stainless steel product is improved, and the service life of equipment is prolonged.
The stainless steel pickling is generally carried out by adopting pickling passivation paste and pickling passivation solution, the pickling passivation paste synchronously carries out pickling and passivation and is completed in one step, the traditional pickling and passivation process is changed, and the method is simple to operate, convenient to construct and low in cost. Is suitable for large-area painting operation. The pickling passivation solution is suitable for soaking operation of small workpieces.
According to the existing stainless steel pickling process, after pickling is carried out on stainless steel through a pickling solution, the pickling solution is easily stained on the outer surface of a stainless steel pipe and is difficult to eradicate, manual operation is mostly adopted in the existing stainless steel pickling process, inconvenience is caused, and personnel injury is easily caused due to close-range contact of the pickling solution and chemical substances.
Disclosure of Invention
The purpose of the invention is as follows:
in order to overcome the defects in the background art, the embodiment of the invention provides an automatic stainless steel pipe pickling device capable of preventing stainless steel pickling solution from being stained, and the problems in the background art can be effectively solved.
The technical scheme is as follows:
the utility model provides a stainless steel pipe automatic acid dip pickle that stainless steel pickle is prevented being stained with, includes:
the sleeve is sleeved outside the stainless steel pipe to be pickled;
the first pickling part is arranged between the stainless steel pipe and the sleeve and is arranged along the axial direction of the sleeve;
the left clamp is clamped at the left end of the stainless steel pipe;
the right clamp is clamped at the right end of the stainless steel pipe; one end of the right clamp is provided with a sliding shaft which can move along the axial direction of the stainless steel pipe and rotate along the circumferential direction of the stainless steel pipe;
the groove part is arranged on the inner wall of the sleeve, and the first pickling part is arranged in the groove part;
wherein the first pickling section is composed of a first water jet, a first acid jet and a first acid-resistant material, the first water jet is arranged on two sides of the first acid jet, and the first acid-resistant material is arranged between the first water jet and the outer wall of the stainless steel pipe;
the first acid spraying opening is used for spraying acid washing liquid to the outer wall of the stainless steel pipe, and the sprayed acid washing liquid flows into the lower part of the outer layer space along the upper part of the outer layer space in the groove part after impacting the outer wall of the stainless steel pipe;
the first water jet is used for jetting clean water to the outer wall of the stainless steel pipe, and the jetted clean water impacts the outer wall of the stainless steel pipe and then sprays the residual pickling solution on the outer surface of the stainless steel pipe to the middle part of the outer space.
As a preferred embodiment of the present invention, the present invention further comprises:
the second acid washing part is arranged inside the stainless steel pipe and is arranged along the axial direction of the stainless steel pipe;
the second pickling section is composed of a second water jet, a second acid jet and a second acid resistant material, the second water jet is arranged on two sides of the second acid jet, and the second acid resistant material is arranged between the second water jet and the inner wall of the stainless steel pipe;
the second acid spraying port is used for spraying acid washing liquid to the inner wall of the stainless steel pipe, and the sprayed acid washing liquid flows into the lower part of the inner layer space along the upper part of the inner layer space after impacting the inner wall of the stainless steel pipe;
the second water jet is used for jetting clean water to the inner wall of the stainless steel pipe, and the jetted clean water impacts the middle part of the inner space after the inner wall of the stainless steel pipe is impacted, the residual pickling solution on the inner surface of the stainless steel pipe is jetted to the middle part of the inner space.
As a preferred embodiment of the present invention, the present invention further comprises:
the first grinding block is arranged between the stainless steel pipe and the sleeve and is arranged along the axial direction of the sleeve.
As a preferred embodiment of the present invention, the present invention further comprises:
and the second grinding block is arranged inside the stainless steel pipe and is arranged along the axial direction of the stainless steel pipe.
As a preferred embodiment of the present invention, the present invention further comprises:
a connecting shaft; and
a base;
wherein the second grinding block is arranged on the base; one end of the connecting shaft is connected with the second clamp, and the other end of the connecting shaft is connected with the base.
As a preferred embodiment of the present invention, the present invention further comprises:
the driving motor is connected with the sliding shaft and is used for driving the sliding shaft to rotate; and;
and the traction device is arranged at one end of the driving motor and can drive the driving motor to move along the axial direction of the stainless steel pipe.
The invention realizes the following beneficial effects:
1. by implementing the invention, the first acid spraying opening sprays pickling solution to the outer wall of the stainless steel pipe in the pickling process, and the sprayed pickling solution flows into the lower part of the outer layer space along the upper part of the outer layer space in the groove part after impacting the outer wall of the stainless steel pipe, thereby facilitating subsequent recovery.
2. Through the implementation of the invention, the first water spray nozzle sprays clean water to the outer wall of the stainless steel pipe, and the residual pickling solution on the outer surface of the stainless steel pipe is sprayed to the middle part of the outer layer space after the sprayed clean water impacts the outer wall of the stainless steel pipe, so that the pickling solution cannot be attached to the outer surface of the stainless steel pipe.
3. By implementing the present invention, namely, due to the provision of the first acid-resistant material, it can be further ensured that the pickling solution is isolated.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments consistent with the present disclosure and together with the description, serve to explain the principles of the disclosure.
FIG. 1 is a schematic cross-sectional view of a pickling apparatus provided by the present invention, except for a sleeve;
FIG. 2 is a schematic view of the position structure of the sleeve and the stainless steel tube according to the present invention;
fig. 3 is a schematic cross-sectional structure diagram of the sleeve according to the present invention.
In the figure:
1-a sleeve;
11-groove section;
12-upper part of outer space;
13-lower part of outer space;
2-stainless steel tube;
21-upper part of inner space;
22-lower part of the inner space;
3-a first pickling section;
31-a first water jet;
32-a first acid spraying port;
33-a first acid resistant material;
4-left clamp;
5-right clamp;
51-a sliding shaft;
6-second acid washing part;
61-a second water jet;
62-a second acid spraying port;
63-a second acid resistant material;
7-a first grinding block;
8-a second grinding block;
81-a connecting shaft;
82-base.
Detailed Description
Example embodiments will now be described more fully with reference to the accompanying drawings. Example embodiments may, however, be embodied in many different forms and should not be construed as limited to the examples set forth herein; rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the concept of example embodiments to those skilled in the art. The described features, structures, or characteristics may be combined in any suitable manner in one or more embodiments; in the following description, numerous specific details are provided to give a thorough understanding of embodiments of the disclosure; one skilled in the relevant art will recognize, however, that the subject matter of the present disclosure can be practiced without one or more of the specific details, or with other methods, components, devices, steps, etc.; in other instances, well-known technical solutions have not been shown or described in detail to avoid obscuring aspects of the present disclosure.
Example one
Refer to FIGS. 1-3.
The embodiment provides a stainless steel pipe automatic acid dip pickle that stainless steel pickle is prevented being stained with, includes:
the sleeve 1 is sleeved outside the stainless steel pipe 2 to be pickled.
And the first pickling part 3 is arranged between the stainless steel pipe 2 and the sleeve 1, and is arranged along the axial direction of the sleeve 1.
And the left clamp 4 is clamped at the left end of the stainless steel pipe 2.
The right clamp 5 is clamped at the right end of the stainless steel pipe 2; one end of the right clamp 5 is provided with a sliding shaft 51, and the sliding shaft 51 can move along the axial direction of the stainless steel pipe 2 and rotate along the circumferential direction of the stainless steel pipe 2.
The groove part 11 is arranged on the inner wall of the sleeve 1, and the first pickling part 3 is arranged on the groove part 11.
The first pickling section 3 is composed of first water jets 31, first acid jets 32, and first acid-resistant material 33, the first water jets 31 being provided on both sides of the first acid jets 32, and the first acid-resistant material 33 being provided between the first water jets 31 and the outer wall of the stainless steel pipe 2.
The first acid spraying port 32 sprays an acid washing solution to the outer wall of the stainless steel pipe 2, and the sprayed acid washing solution flows into the lower portion 13 of the outer space along the upper portion 12 of the outer space in the groove portion 11 after impacting the outer wall of the stainless steel pipe 2.
The first water jet 31 is used for jetting clean water to the outer wall of the stainless steel pipe 2, and the residual pickling solution on the outer surface of the stainless steel pipe 2 is jetted to the middle part of the outer space after the jetted clean water impacts the outer wall of the stainless steel pipe 2.
Preferably, in this embodiment, the pickling apparatus further includes:
the driving motor is connected with the sliding shaft 51 and is used for driving the sliding shaft 51 to rotate; and; and the traction device is arranged at one end of the driving motor and can drive the driving motor to move along the axial direction of the stainless steel pipe 2.
When the driving motor is started, the driving motor drives the sliding shaft 51 to rotate, and then drives the second clamp to rotate, and the second clamp is clamped at the right end of the stainless steel pipe 2, so that the stainless steel pipe 2 can be driven to rotate in the sleeve 1, and therefore the outer surface of the stainless steel pipe 2 can be subjected to covering acid washing.
When starting draw gear, draw gear drives driving motor to the direction of pulling, and then drives sliding shaft 51 and the second anchor clamps of being connected with driving motor and remove along the direction of pulling, because the second anchor clamps card is established at stainless steel 2 right-hand members, and then can drive stainless steel 2 and remove along sleeve 1 in to can carry out the pickling of coverability to the surface of stainless steel 2.
The first acid spraying opening 32 sprays acid washing liquid to the outer wall of the stainless steel pipe 2 in the acid washing process, and the sprayed acid washing liquid flows into the lower part 13 of the outer space along the upper part 12 of the outer space in the groove part 11 after impacting the outer wall of the stainless steel pipe 2, so that the acid washing liquid is convenient for subsequent recovery.
The first water jet 31 sprays clean water to the outer wall of the stainless steel pipe 2, and after the sprayed clean water impacts the outer wall of the stainless steel pipe 2, the residual pickling solution on the outer surface of the stainless steel pipe 2 is sprayed to the middle of the outer space, so that the pickling solution cannot be stained on the outer surface of the stainless steel pipe 2.
In addition, the first acid-resistant material 33 can further ensure that the pickling solution is isolated.
Example two
Refer to FIGS. 1-3. The embodiment is an extension on the basis of the first embodiment, and specifically includes:
the pickling device also comprises:
and a second acid washing part 6, wherein the second acid washing part 6 is arranged inside the stainless steel pipe 2 and is arranged along the axial direction of the stainless steel pipe 2.
The second pickling section 6 is composed of second water jets 61, second acid jets 62, and second acid-resistant material 63, wherein the second water jets 61 are disposed on both sides of the second acid jets 62, and the second acid-resistant material 63 is disposed between the second water jets 61 and the inner wall of the stainless steel pipe 2.
The second acid spraying port 62 sprays an acid washing solution onto the inner wall of the stainless steel pipe 2, and the sprayed acid washing solution flows into the lower portion 22 of the inner space along the upper portion 21 of the inner space after impacting the inner wall of the stainless steel pipe 2.
The second water jet 61 is used for jetting clean water to the inner wall of the stainless steel pipe 2, and the jetted clean water impacts the inner wall of the stainless steel pipe 2, and then the residual pickling solution on the inner surface of the stainless steel pipe 2 is jetted to the middle part of the inner space.
The second acid spraying port 62 sprays the acid washing solution to the inner wall of the stainless steel pipe 2 during the acid washing process, and the sprayed acid washing solution flows into the lower part 22 of the inner space along the upper part 21 of the inner space after impacting the inner wall of the stainless steel pipe 2, thereby facilitating the subsequent recovery.
The second water jet 61 sprays clean water to the inner wall of the stainless steel pipe 2, and after the sprayed clean water impacts the inner wall of the stainless steel pipe 2, the pickling solution remaining on the inner surface of the stainless steel pipe 2 is sprayed to the middle of the inner-layer space, so that the pickling solution cannot be stained on the inner surface of the stainless steel pipe 2.
In addition, due to the provision of the second acid-resistant material 63, it can be further ensured that the pickling solution is isolated.
EXAMPLE III
Refer to FIGS. 1-3. The present embodiment is an extension of the first embodiment and the second embodiment, and specifically includes:
the pickling device also comprises:
the first grinding block 7 is arranged between the stainless steel pipe 2 and the sleeve 1, and the first grinding block 7 is arranged along the axial direction of the sleeve 1.
The pickling device also comprises:
and the second grinding block 8 is arranged inside the stainless steel pipe 2, and is arranged along the axial direction of the stainless steel pipe 2.
The pickling device also comprises:
a connecting shaft 81; and
a base 82;
wherein the second block 8 is arranged on the base 82; one end of the connecting shaft 81 is connected to the second clamp, and the other end is connected to the base 82.
In this embodiment, when starting driving motor, driving motor drives sliding shaft 51 and rotates, and then drives the second anchor clamps and rotate, because the second anchor clamps card is established at 2 right-hand members of nonrust steel pipe, and then can drive nonrust steel pipe 2 and rotate in sleeve 1, and set up first abrasive brick 7 in the centre of nonrust steel pipe 2 and sleeve 1 will rub with the surface rotation uniformity of nonrust steel pipe 2 to can carry out the rotary polishing to the surface of nonrust steel pipe 2, get rid of the pockmark.
The second grinding block 8 arranged in the stainless steel pipe 2 can rotate and uniformly rub the inner surface of the stainless steel pipe 2, so that the inner surface of the stainless steel pipe 2 can be polished in a rotating mode to remove pockmarks.
When starting draw gear, draw gear drives driving motor to the direction of pulling, and then drives sliding shaft 51 and the second anchor clamps of being connected with driving motor and remove along the direction of pulling, because the second anchor clamps card is established at stainless steel pipe 2 right-hand member, and then can drive stainless steel pipe 2 and remove along sleeve 1 is interior, and set up in the first abrasive brick 7 of the centre of stainless steel pipe 2 and sleeve 1 will remove even friction with the surface of stainless steel pipe 2 to can remove the polishing to the surface of stainless steel pipe 2, get rid of the pockmark.
And the second grinding block 8 arranged in the stainless steel pipe 2 moves and uniformly rubs the inner surface of the stainless steel pipe 2, so that the inner surface of the stainless steel pipe 2 can be moved and polished to remove pockmarks.
In practice, the polishing operation is performed first, and then the pickling operation is performed.
The above embodiments are merely illustrative of the technical ideas and features of the present invention, and are intended to enable those skilled in the art to understand the contents of the present invention and implement the present invention, and not to limit the scope of the present invention. All equivalent changes or modifications made according to the spirit of the present invention should be covered within the protection scope of the present invention.
Claims (6)
1. The utility model provides a stainless steel pipe automatic acid dip pickle that stainless steel pickle is prevented being stained with which characterized in that includes:
the sleeve is sleeved outside the stainless steel pipe to be pickled;
the first pickling part is arranged between the stainless steel pipe and the sleeve and is arranged along the axial direction of the sleeve;
the left clamp is clamped at the left end of the stainless steel pipe;
the right clamp is clamped at the right end of the stainless steel pipe; one end of the right clamp is provided with a sliding shaft which can move along the axial direction of the stainless steel pipe and rotate along the circumferential direction of the stainless steel pipe;
the groove part is arranged on the inner wall of the sleeve, and the first pickling part is arranged in the groove part;
wherein the first pickling section is composed of a first water jet, a first acid jet and a first acid-resistant material, the first water jet is arranged on two sides of the first acid jet, and the first acid-resistant material is arranged between the first water jet and the outer wall of the stainless steel pipe;
the first acid spraying opening is used for spraying acid washing liquid to the outer wall of the stainless steel pipe, and the sprayed acid washing liquid flows into the lower part of the outer layer space along the upper part of the outer layer space in the groove part after impacting the outer wall of the stainless steel pipe;
the first water jet is used for jetting clean water to the outer wall of the stainless steel pipe, and the jetted clean water impacts the outer wall of the stainless steel pipe and then sprays the residual pickling solution on the outer surface of the stainless steel pipe to the middle part of the outer space.
2. The automatic pickling device for stainless steel pipes with stainless steel pickling solution anti-sticking function as claimed in claim 1, further comprising:
the second acid washing part is arranged inside the stainless steel pipe and is arranged along the axial direction of the stainless steel pipe;
the second pickling section is composed of a second water jet, a second acid jet and a second acid resistant material, the second water jet is arranged on two sides of the second acid jet, and the second acid resistant material is arranged between the second water jet and the inner wall of the stainless steel pipe;
the second acid spraying port is used for spraying acid washing liquid to the inner wall of the stainless steel pipe, and the sprayed acid washing liquid flows into the lower part of the inner layer space along the upper part of the inner layer space after impacting the inner wall of the stainless steel pipe;
the second water jet is used for jetting clean water to the inner wall of the stainless steel pipe, and the jetted clean water impacts the middle part of the inner space after the inner wall of the stainless steel pipe is impacted, the residual pickling solution on the inner surface of the stainless steel pipe is jetted to the middle part of the inner space.
3. The automatic pickling device for stainless steel pipes with stainless steel pickling solution anti-sticking function as claimed in claim 1, further comprising:
the first grinding block is arranged between the stainless steel pipe and the sleeve and is arranged along the axial direction of the sleeve.
4. The automatic pickling device for stainless steel pipes with stainless steel pickling solution anti-sticking function as claimed in claim 1, further comprising:
and the second grinding block is arranged inside the stainless steel pipe and is arranged along the axial direction of the stainless steel pipe.
5. The automatic pickling device for stainless steel pipes with stainless steel pickling solution anti-sticking function as claimed in claim 4, further comprising:
a connecting shaft; and
a base;
wherein the second grinding block is arranged on the base; one end of the connecting shaft is connected with the second clamp, and the other end of the connecting shaft is connected with the base.
6. The automatic pickling device for stainless steel pipes with stainless steel pickling solution anti-sticking function as claimed in claim 4, further comprising:
the driving motor is connected with the sliding shaft and is used for driving the sliding shaft to rotate; and;
and the traction device is arranged at one end of the driving motor and can drive the driving motor to move along the axial direction of the stainless steel pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010756474.4A CN111910196B (en) | 2020-07-31 | 2020-07-31 | Automatic pickling device for stainless steel pipe with stainless steel pickling liquid anti-sticking function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010756474.4A CN111910196B (en) | 2020-07-31 | 2020-07-31 | Automatic pickling device for stainless steel pipe with stainless steel pickling liquid anti-sticking function |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN111910196A true CN111910196A (en) | 2020-11-10 |
| CN111910196B CN111910196B (en) | 2023-04-28 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010756474.4A Active CN111910196B (en) | 2020-07-31 | 2020-07-31 | Automatic pickling device for stainless steel pipe with stainless steel pickling liquid anti-sticking function |
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| Country | Link |
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| CN (1) | CN111910196B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113502481A (en) * | 2021-07-13 | 2021-10-15 | 南京睿源利信息科技有限公司 | Stainless steel surface treatment equipment and treatment process thereof |
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| CN110841986A (en) * | 2019-11-18 | 2020-02-28 | 陈文清 | Promotion formula stainless steel pipe belt cleaning device |
| CN210146602U (en) * | 2019-07-02 | 2020-03-17 | 绍兴市上虞越明制冷配件厂 | Copper pipe horizontal migration formula belt cleaning device |
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2020
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| CN204672644U (en) * | 2015-06-08 | 2015-09-30 | 重庆汇达柠檬加工集团有限公司 | Channel washer |
| CN205398708U (en) * | 2016-02-28 | 2016-07-27 | 响水亿鑫伟业科技有限公司 | High -efficient cast hot -galvanize pickling machine |
| CN208613287U (en) * | 2018-06-28 | 2019-03-19 | 吉林华明管业有限公司 | A kind of environment-friendly type stainless steel tube cleaning device |
| CN210146602U (en) * | 2019-07-02 | 2020-03-17 | 绍兴市上虞越明制冷配件厂 | Copper pipe horizontal migration formula belt cleaning device |
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| CN113502481A (en) * | 2021-07-13 | 2021-10-15 | 南京睿源利信息科技有限公司 | Stainless steel surface treatment equipment and treatment process thereof |
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| Publication number | Publication date |
|---|---|
| CN111910196B (en) | 2023-04-28 |
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Effective date of registration: 20230414 Address after: 350000 unit 2002, plant 5, No. 130, JINDA Road, Jianxin Town, Cangshan District, Fuzhou City, Fujian Province Applicant after: FUJIAN SHENGDATONG ENERGY-SAVING TECHNOLOGY CO.,LTD. Address before: Building 1, Unit 1, Building 96, No. 422 Jinyang Road, Wuhou District, Chengdu City, Sichuan Province, 610041 Applicant before: Yin Tongming |