CN214174346U - Reactor for detecting water quality for water pollution prevention and control equipment - Google Patents
Reactor for detecting water quality for water pollution prevention and control equipment Download PDFInfo
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- CN214174346U CN214174346U CN202120012069.1U CN202120012069U CN214174346U CN 214174346 U CN214174346 U CN 214174346U CN 202120012069 U CN202120012069 U CN 202120012069U CN 214174346 U CN214174346 U CN 214174346U
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 137
- 230000002265 prevention Effects 0.000 title claims abstract description 16
- 238000003911 water pollution Methods 0.000 title claims abstract description 9
- 230000007246 mechanism Effects 0.000 claims abstract description 36
- 238000003860 storage Methods 0.000 claims abstract description 22
- 239000003153 chemical reaction reagent Substances 0.000 claims abstract description 18
- 238000003825 pressing Methods 0.000 claims abstract description 11
- 238000003466 welding Methods 0.000 claims abstract description 9
- 238000001514 detection method Methods 0.000 claims description 43
- 238000006243 chemical reaction Methods 0.000 claims description 10
- 238000005086 pumping Methods 0.000 claims description 9
- 238000005192 partition Methods 0.000 claims description 7
- 238000002347 injection Methods 0.000 claims description 5
- 239000007924 injection Substances 0.000 claims description 5
- 238000012360 testing method Methods 0.000 abstract description 15
- 230000000694 effects Effects 0.000 abstract description 7
- 230000009471 action Effects 0.000 description 6
- 238000007789 sealing Methods 0.000 description 5
- 238000000034 method Methods 0.000 description 4
- 230000006378 damage Effects 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 208000027418 Wounds and injury Diseases 0.000 description 2
- 239000003651 drinking water Substances 0.000 description 2
- 235000020188 drinking water Nutrition 0.000 description 2
- 230000007613 environmental effect Effects 0.000 description 2
- 208000014674 injury Diseases 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000005070 sampling Methods 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 230000036541 health Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012372 quality testing Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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Abstract
The utility model discloses a quality of water pollution prevention and cure equipment is with detecting reactor for quality of water, include the reactor body and draw water the mechanism, the internally mounted of reactor body has the reagent case, and the inside below of reagent case installs communicating pipe, and control mechanism is installed to the below of communicating pipe simultaneously, the inside welding of reactor body has the baffle, and the inside of baffle has seted up the round hole, and the below of round hole installs the storage water tank, contrast pipe is installed to one side of storage water tank, and contrasts one side of pipe and has seted up the filling opening. This detect reactor for quality of water through installing the mechanism that draws water, under screwed pipe, the effect of pressing depression bar, piston and reset spring for the piston can be stabilized in appointed position under reset spring's effect, makes the inside that the testing personnel can inhale the storage water tank with the water that awaits measuring easily, has made things convenient for the testing personnel to take a sample in the sample site, has increased testing personnel's work efficiency, has improved this detect reactor for quality of water's practicality.
Description
Technical Field
The utility model relates to a water quality testing correlation technique field specifically is a quality of water pollution prevention and cure equipment is with detecting reactor for quality of water.
Background
Water is a source of life, people can not leave water in life and production activities, the quality of the water of drinking water is closely related to the health of people, along with the development of social economy, the problem of water pollution is more prominent, the contradiction between the high requirement of people on the quality of the drinking water and the increasingly poor water quality is more serious, and the water quality is comprehensively detected in order to improve the water quality, so that the water quality detection reactor for the water quality pollution prevention and control equipment is provided.
But the detection reactor device for quality of water that uses at present is bulky, need go to the destination sample and take the sample to the laboratory during use and detect, has wasted manpower, materials and financial resources, can not carry out comprehensive detection to quality of water from a plurality of faces when testing process moreover, and the testing result is not stable enough.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a quality of water pollution prevention and cure equipment is with detecting reactor for quality of water to solve the detection reactor for quality of water volume of using at present that proposes in the above-mentioned background art great, need arrive the destination sample and take the sample to the laboratory during use and detect, wasted manpower, materials and financial resources, can not follow a plurality of when testing process moreover and detect comprehensively in the face of quality of water, the testing result is not stable enough.
In order to achieve the above object, the utility model provides a following technical scheme: a reactor for detecting water quality for water pollution prevention and treatment equipment comprises a reactor body and a pumping mechanism, wherein a reagent box is installed inside the reactor body, a communicating pipe is installed below the inside of the reagent box, a control mechanism is installed below the communicating pipe, a partition plate is welded inside the reactor body, a round hole is formed inside the partition plate, a water storage tank is installed below the round hole, a comparison pipe is installed on one side of the water storage tank, an injection opening is formed in one side of the comparison pipe, a through hole is formed in one side of the water storage tank, a detection box is installed on one side of the through hole, a detection reaction mechanism is installed on the outer wall of one side of the detection box, a first thread groove is formed inside one side of the reactor body, a moving rod is installed inside the first thread groove, a sealing block is welded on one side of the moving rod, a second thread groove is formed below the inside of the detection box, and the internally mounted of second thread groove has rotatory stopper, the welding of the lateral wall below of reactor body has the intake antrum, and the inside of intake antrum has seted up the draw-in groove, and the internally mounted of draw-in groove has the fixture block, the filter screen is installed to one side of fixture block, and the below of filter screen installs the control valve, the mechanism that draws water is installed in the top of baffle.
Preferably, control mechanism includes control box, locating lever, buffer spring, fly leaf, regulation pole, interception piece, fixed plate, through-hole and filling tube, and the inside welding of control box has the locating lever, the externally mounted of locating lever has buffer spring, and one side welding of buffer spring has the fly leaf, and one side welding of fly leaf has the regulation pole simultaneously, the interception piece is installed to one side of adjusting the pole, and one side of the piece that dams installs the fixed plate, the through-hole has been seted up to the inside of fixed plate, and one side below of through-hole installs the filling tube, control box and reagent box fixed mounting.
Preferably, it includes water pipe, water turbidity tester, PH detector and control panel to detect reaction mechanism, and examines one side of water pipe and install the water turbidity tester, the PH detector is installed to one side of water turbidity tester, and one side of PH detector installs control panel, examine water pipe and detection case fixed mounting.
Preferably, the moving rod is screwed with the first screw groove, and the surface of the moving rod is arranged in a screw shape.
Preferably, the rotating plug is in threaded connection with the second thread groove, and the outer wall of the rotating plug is tightly attached to the inside of the second thread groove.
Preferably, the filter screen is connected with the clamping block in a clamping manner through the clamping groove, and the clamping block is arranged in a shape like a Chinese character 'tu'.
Preferably, the mechanism of drawing water includes the screwed pipe, presses depression bar, piston and reset spring, and the inside cover of screwed pipe is equipped with presses the depression bar, press the below of depression bar and install the piston, and the below welding of piston has reset spring, screwed pipe and reactor body fixed mounting.
Compared with the prior art, the beneficial effects of the utility model are that:
1. according to the reactor for detecting water quality, the water pumping mechanism is arranged, and the piston can be stabilized at an appointed position under the action of the reset spring under the action of the threaded pipe, the pressing rod, the piston and the reset spring, so that a detector can easily suck water to be detected into the water storage tank, the sampling of the detector at a sampling place is facilitated, the working efficiency of the detector is increased, and the practicability of the reactor for detecting water quality is improved;
2. according to the reactor for detecting water quality, the detection reaction mechanism is arranged, and the water detection pipe, the water turbidity tester, the PH detector and the control panel are matched for use, so that the pH value and the water turbidity degree in the water quality can be detected through the water turbidity tester and the PH detector, the water quality is detected from multiple directions, the detection result is more comprehensive and reliable, and the practicability of the device is improved;
3. this detect reactor for quality of water, through installing control mechanism, adjusting the pole, the cooperation of fly leaf and interception piece is used down, make the inside that the testing personnel can add the inside detect reagent of control box through the pulling regulation pole and add the storage water tank, the problem of injury has been caused on one's body to the testing liquid of having avoided spattering to the testing personnel, cooperate locating lever and buffer spring again, make the testing personnel loosen the shutoff piece and can plug up the charge door under buffer spring's effect when adjusting the pole, the problem of causing the waste has been avoided revealing to detect reagent, the environmental protection that has increased this detection quality of water has improved detection device's fail safe nature and practicality.
Drawings
FIG. 1 is a schematic front view of the present invention;
FIG. 2 is a schematic structural view of the control mechanism of the present invention;
FIG. 3 is a schematic structural view of the detection reaction mechanism of the present invention;
fig. 4 is the structural schematic diagram of the water pumping mechanism of the present invention.
In the figure: 1. a reactor body; 2. a reagent box; 3. a communicating pipe; 4. a control mechanism; 401. a control box; 402. positioning a rod; 403. a buffer spring; 404. a movable plate; 405. adjusting a rod; 406. a flow interception block; 407. a fixing plate; 408. a through hole; 409. a feed tube; 5. a partition plate; 6. a circular hole; 7. a water storage tank; 8. a comparison tube; 9. an injection port; 10. a through-flow aperture; 11. a detection box; 12. a detection reaction mechanism; 1201. a water detecting pipe; 1202. a water turbidity tester; 1203. a pH detector; 1204. a control panel; 13. a first thread groove; 14. a travel bar; 15. a sealing block; 16. a second thread groove; 17. a rotating plug; 18. a water inlet groove; 19. a card slot; 20. a clamping block; 21. filtering with a screen; 22. a control valve; 23. a water pumping mechanism; 2301. a threaded pipe; 2302. a pressing lever; 2303. a piston; 2304. a return spring.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1-4, the present invention provides a technical solution: a reactor for detecting water quality for a water pollution prevention and control device comprises a reactor body 1 and a pumping mechanism 23, wherein a reagent box 2 is installed inside the reactor body 1, a communicating pipe 3 is installed below the inside of the reagent box 2, a control mechanism 4 is installed below the communicating pipe 3, a partition plate 5 is welded inside the reactor body 1, a round hole 6 is formed inside the partition plate 5, a water storage tank 7 is installed below the round hole 6, a comparison pipe 8 is installed on one side of the water storage tank 7, an injection port 9 is formed on one side of the comparison pipe 8, a through flow hole 10 is formed on one side of the water storage tank 7, a detection box 11 is installed on one side of the through flow hole 10, a detection reaction mechanism 12 is installed on the outer wall of one side of the detection box 11, a first thread groove 13 is formed inside one side of the reactor body 1, a moving rod 14 is installed inside the first thread groove 13, and a sealing block 15 is welded on one side of the moving rod 14, second thread groove 16 has been seted up to the inside below of detection case 11, and the internally mounted of second thread groove 16 has a rotating plug 17, and the welding of the lateral wall below of reactor body 1 has intake chamber 18, and draw-in groove 19 has been seted up to the inside of intake chamber 18, and the internally mounted of draw-in groove 19 has fixture block 20, and filter screen 21 is installed to one side of fixture block 20, and control valve 22 is installed to the below of filter screen 21, and the mechanism 23 that draws water is installed in the top of baffle 5.
Further, the control mechanism 4 comprises a control box 401, a positioning rod 402, a buffer spring 403, a movable plate 404, an adjusting rod 405, a flow stopping block 406, a fixed plate 407, a through hole 408 and a feeding pipe 409, the positioning rod 402 is welded inside the control box 401, the buffer spring 403 is installed outside the positioning rod 402, the movable plate 404 is welded on one side of the buffer spring 403, the adjusting rod 405 is welded on one side of the movable plate 404, the flow stopping block 406 is installed on one side of the adjusting rod 405, the fixed plate 407 is installed on one side of the flow stopping block 406, the through hole 408 is formed inside the fixed plate 407, the feeding pipe 409 is installed below one side of the through hole 408, the control box 401 and the reagent box 2 are fixedly installed, and by installing the control mechanism 4, under the matching use of the adjusting rod 405, the movable plate 404 and the flow stopping block 406, a detection reagent inside the control box 401 can be added into the water storage tank 7 by pulling the adjusting rod 405, the problem of detecting liquid and spattering to the detection personnel and cause the injury on one's body has been avoided, cooperation locating lever 402 and buffer spring 403 again for when detection personnel loosen regulation pole 405 interception piece 406 can plug up through-hole 408 under buffer spring 403's effect, has avoided measuring reagent to reveal the problem that causes the waste, has increased this environmental protection of detecting quality of water and has improved detection device's fail safe nature and practicality.
Further, it includes water detection pipe 1201 to detect reaction mechanism 12, water turbidity tester 1202, PH detector 1203 and control panel 1204, and it installs water turbidity tester 1202 to detect one side of water pipe 1201, PH detector 1203 is installed to one side of water turbidity tester 1202, and control panel 1204 is installed to one side of PH detector 1203, it detects water pipe 1201 and detection case 11 fixed mounting, through installing detection reaction mechanism 12, examine water pipe 1201, water turbidity tester 1202, PH detector 1203 and control panel 1204's cooperation is used, accessible water turbidity tester 1202 and PH detector 1203 detect pH valve and the turbid degree of water in to quality of water, thereby detect quality of water from many azimuths, make the testing result more comprehensive reliable, the device's practicality has been increased.
Further, the movable rod 14 is in threaded connection with the first thread groove 13, the surface of the movable rod 14 is in a threaded arrangement, and the movable rod 14 is installed, so that the through hole 10 can be opened and sealed through the sealing block 15 under the action of the first thread groove 13, the water quantity in the detection box 11 can be controlled by controlling the water quantity, and the practicability of the device is improved.
Further, rotatory stopper 17 and second thread groove 16 threaded connection, and the outer wall of rotatory stopper 17 closely laminates with the inside of second thread groove 16, through installing rotatory stopper 17, cooperates second thread groove 16 to use, conveniently discharges the water after detecting in the detection box 11, clears up its inside, has increased the device's convenience.
Further, filter screen 21 passes through draw-in groove 19 and is connected with the block 20 block, and block 20 is "protruding" style of calligraphy setting, through installing filter screen 21, can filter the silt in the quality of water, avoids getting into the device inside and causes the damage, or causes the jam easily, and draw-in groove 19 is connected with block 20 block simultaneously, is convenient for dismantle filter screen 21, clears up it, has increased the device's usability.
Further, the pumping mechanism 23 comprises a threaded pipe 2301, a pressing rod 2302, a piston 2303 and a return spring 2304, the pressing rod 2302 is sleeved inside the threaded pipe 2301, the piston 2303 is welded below the pressing rod 2302, the return spring 2304 is welded below the piston 2303, and the threaded pipe 2301 and the reactor body 1 are fixedly installed. Through installing pumping mechanism 23, at screwed pipe 2301, under the effect of pressing down on pole 2302, piston 2303 and reset spring 2304 for piston 2303 can be stabilized in appointed position under reset spring 2304's effect, makes the inside that the testing personnel can inhale storage water tank 7 with the water that awaits measuring easily, has made things convenient for the testing personnel to take a sample in the sample place, has increased testing personnel's work efficiency, has improved the practicality of this reactor for detecting quality of water.
The working principle is as follows: the reactor for detecting water quality is carried to a detection place by an addressee, then a filter screen 21 is clamped and installed in the water inlet tank 18 through a clamping groove 19 and a clamping block 20, then a threaded pipe 2301 is rotated, then a piston 2303 is stabilized at a specified position under the action of a return spring 2304, then a control valve 22 is opened, then a hose is inserted into water to be detected, then a pressing rod 2302 is pressed, then the return spring 2304 of the piston 2303 ascends, then the water to be detected enters the water storage tank 7 through the water inlet tank 18, then the control valve 22 is closed, then a standard water sample is injected into the comparison pipe 8 through an injection port 9, then the water sample is observed to be compared with the standard water sample in the left comparison pipe 8, then the water quality is preliminarily judged, then the adjusting rod 405 is pulled, then a movable plate 404 carries a flow intercepting block 406 to move, and then a reagent in the reagent tank 2 passes through a communicating pipe 3 and a connecting pipe 406, The through hole 408 and the feed pipe 409 enter the inside of the water storage tank 7, then the adjusting rod 405 is loosened, then the movable plate 404 pushes the intercepting block 406 under the action of the buffer spring 403 to block the through hole 408, then the reactor body 1 is slightly shaken and the change of the water sample inside the water storage tank 7 is observed, then the water sample is compared with the water sample inside the comparison pipe 8, then the water quality of the water sample is further judged, finally the movable rod 14 is rotated under the action of the first thread groove 13, the sealing block 15 moves backwards to open the through hole 10 so that the water sample inside the water storage tank 7 flows into the detection box 11, when the sufficient water sample amount is reached, the movable rod 14 is reversed to seal the through hole 10, then the water turbidity tester 1202, the pH detector 1203 and the control panel 1204 are matched for use, and the pH value and the water turbidity degree in the water quality can be detected by the water turbidity tester 1202 and the pH detector 1204, after the detection is finished, the detection result is fed back to the control panel 1204, the detection personnel records the detection result, and finally, after the detection is finished, the control valve 22 is opened, the rotary plug 17 is opened through the second thread groove 16, and water samples in the water storage tank 7 and the detection box 11 are discharged, so that the use process of the reactor for detecting the water quality for the water quality pollution prevention and treatment equipment is completed.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (7)
1. The utility model provides a quality of water pollution prevention and cure equipment is with detecting reactor for quality of water, includes reactor body (1) and pumping mechanism (23), its characterized in that: the reactor comprises a reactor body (1), a reagent box (2) is arranged inside the reactor body (1), a communicating pipe (3) is arranged below the inside of the reagent box (2), a control mechanism (4) is arranged below the communicating pipe (3), a partition plate (5) is welded inside the reactor body (1), a round hole (6) is formed inside the partition plate (5), a water storage tank (7) is arranged below the round hole (6), a comparison pipe (8) is arranged on one side of the water storage tank (7), an injection hole (9) is formed on one side of the comparison pipe (8), a through flow hole (10) is formed on one side of the water storage tank (7), a detection box (11) is arranged on one side of the through flow hole (10), a detection reaction mechanism (12) is arranged on the outer wall of one side of the detection box (11) at the same time, a first thread groove (13) is formed inside one side of the reactor body (1), and the internally mounted of first thread groove (13) has carriage release lever (14), one side welding of carriage release lever (14) has sealed piece (15), second thread groove (16) have been seted up to the inside below of detection case (11), and the internally mounted of second thread groove (16) has rotatory stopper (17), the welding of the lateral wall below of reactor body (1) has intake chamber (18), and the inside of intake chamber (18) has seted up draw-in groove (19), and the internally mounted of draw-in groove (19) has fixture block (20), filter screen (21) are installed to one side of fixture block (20), and the below of filter screen (21) installs control valve (22), the top at baffle (5) is installed in mechanism (23) draws water.
2. The reactor for detecting water quality for the water quality pollution prevention and treatment device according to claim 1, characterized in that: the control mechanism (4) comprises a control box (401), a positioning rod (402), a buffer spring (403), a movable plate (404), an adjusting rod (405), a closure block (406), a fixed plate (407), a through hole (408) and a feeding pipe (409), a positioning rod (402) is welded in the control box (401), a buffer spring (403) is installed outside the positioning rod (402), a movable plate (404) is welded on one side of the buffer spring (403), meanwhile, one side of the movable plate (404) is welded with an adjusting rod (405), one side of the adjusting rod (405) is provided with a flow interception block (406), a fixing plate (407) is arranged on one side of the intercepting block (406), a through hole (408) is arranged in the fixing plate (407), and a feeding pipe (409) is installed below one side of the through hole (408), and the control box (401) is fixedly installed with the reagent box (2).
3. The reactor for detecting water quality for the water quality pollution prevention and treatment device according to claim 1, characterized in that: detect reaction mechanism (12) including examining water pipe (1201), water turbidity tester (1202), PH detector (1203) and control panel (1204), and examine one side of water pipe (1201) and install water turbidity tester (1202), PH detector (1203) are installed to one side of water turbidity tester (1202), and control panel (1204) are installed to one side of PH detector (1203), examine water pipe (1201) and detection case (11) fixed mounting.
4. The reactor for detecting water quality for the water quality pollution prevention and treatment device according to claim 1, characterized in that: the moving rod (14) is in threaded connection with the first threaded groove (13), and the surface of the moving rod (14) is in threaded arrangement.
5. The reactor for detecting water quality for the water quality pollution prevention and treatment device according to claim 1, characterized in that: the rotary plug (17) is in threaded connection with the second thread groove (16), and the outer wall of the rotary plug (17) is tightly attached to the inner part of the second thread groove (16).
6. The reactor for detecting water quality for the water quality pollution prevention and treatment device according to claim 1, characterized in that: the filter screen (21) is connected with the clamping block (20) in a clamping mode through the clamping groove (19), and the clamping block (20) is arranged in a convex mode.
7. The reactor for detecting water quality for the water quality pollution prevention and treatment device according to claim 1, characterized in that: the water pumping mechanism (23) comprises a threaded pipe (2301), a pressing rod (2302), a piston (2303) and a return spring (2304), the pressing rod (2302) is sleeved inside the threaded pipe (2301), the piston (2303) is installed below the pressing rod (2302), the return spring (2304) is welded below the piston (2303), and the threaded pipe (2301) and the reactor body (1) are fixedly installed.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120012069.1U CN214174346U (en) | 2021-01-05 | 2021-01-05 | Reactor for detecting water quality for water pollution prevention and control equipment |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202120012069.1U CN214174346U (en) | 2021-01-05 | 2021-01-05 | Reactor for detecting water quality for water pollution prevention and control equipment |
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| CN214174346U true CN214174346U (en) | 2021-09-10 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114354504A (en) * | 2021-11-22 | 2022-04-15 | 龙南县中利再生资源开发有限公司 | Portable quality of water environment survey device that has jam-proof function |
| CN114740169A (en) * | 2022-04-13 | 2022-07-12 | 河北地质大学 | Water environment treatment monitoring device |
-
2021
- 2021-01-05 CN CN202120012069.1U patent/CN214174346U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114354504A (en) * | 2021-11-22 | 2022-04-15 | 龙南县中利再生资源开发有限公司 | Portable quality of water environment survey device that has jam-proof function |
| CN114354504B (en) * | 2021-11-22 | 2024-03-19 | 龙南市中利再生资源开发有限公司 | Portable water quality environment survey device that has interference killing feature |
| CN114740169A (en) * | 2022-04-13 | 2022-07-12 | 河北地质大学 | Water environment treatment monitoring device |
| CN114740169B (en) * | 2022-04-13 | 2023-08-15 | 河北地质大学 | Water environment treatment monitoring device |
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Effective date of registration: 20240521 Address after: Building 2, No. 18 Longjing Road, Gaochun Economic Development Zone, Nanjing City, Jiangsu Province, 210000 Patentee after: Nanjing Lvchuang Environmental Technology Co.,Ltd. Country or region after: China Address before: 201800 room 2308, building 8, No. 1630, Yecheng Road, Jiading Industrial Zone, Jiading District, Shanghai Patentee before: Shanghai Changyun electromechanical Co.,Ltd. Country or region before: China |