CN108031415B - Hydrolysis reaction kettle for producing dichloronicotinic acid - Google Patents
Hydrolysis reaction kettle for producing dichloronicotinic acid Download PDFInfo
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- CN108031415B CN108031415B CN201710995053.5A CN201710995053A CN108031415B CN 108031415 B CN108031415 B CN 108031415B CN 201710995053 A CN201710995053 A CN 201710995053A CN 108031415 B CN108031415 B CN 108031415B
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- stirring
- device body
- hydrolysis reaction
- reaction kettle
- producing
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J19/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
- B01J19/18—Stationary reactors having moving elements inside
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J19/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
- B01J19/0006—Controlling or regulating processes
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J19/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
- B01J19/0053—Details of the reactor
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J19/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
- B01J19/0053—Details of the reactor
- B01J19/0066—Stirrers
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J4/00—Feed or outlet devices; Feed or outlet control devices
- B01J4/001—Feed or outlet devices as such, e.g. feeding tubes
- B01J4/007—Feed or outlet devices as such, e.g. feeding tubes provided with moving parts
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- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D213/00—Heterocyclic compounds containing six-membered rings, not condensed with other rings, with one nitrogen atom as the only ring hetero atom and three or more double bonds between ring members or between ring members and non-ring members
- C07D213/02—Heterocyclic compounds containing six-membered rings, not condensed with other rings, with one nitrogen atom as the only ring hetero atom and three or more double bonds between ring members or between ring members and non-ring members having three double bonds between ring members or between ring members and non-ring members
- C07D213/04—Heterocyclic compounds containing six-membered rings, not condensed with other rings, with one nitrogen atom as the only ring hetero atom and three or more double bonds between ring members or between ring members and non-ring members having three double bonds between ring members or between ring members and non-ring members having no bond between the ring nitrogen atom and a non-ring member or having only hydrogen or carbon atoms directly attached to the ring nitrogen atom
- C07D213/60—Heterocyclic compounds containing six-membered rings, not condensed with other rings, with one nitrogen atom as the only ring hetero atom and three or more double bonds between ring members or between ring members and non-ring members having three double bonds between ring members or between ring members and non-ring members having no bond between the ring nitrogen atom and a non-ring member or having only hydrogen or carbon atoms directly attached to the ring nitrogen atom with hetero atoms or with carbon atoms having three bonds to hetero atoms with at the most one bond to halogen, e.g. ester or nitrile radicals, directly attached to ring carbon atoms
- C07D213/78—Carbon atoms having three bonds to hetero atoms, with at the most one bond to halogen, e.g. ester or nitrile radicals
- C07D213/79—Acids; Esters
- C07D213/80—Acids; Esters in position 3
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D213/00—Heterocyclic compounds containing six-membered rings, not condensed with other rings, with one nitrogen atom as the only ring hetero atom and three or more double bonds between ring members or between ring members and non-ring members
- C07D213/02—Heterocyclic compounds containing six-membered rings, not condensed with other rings, with one nitrogen atom as the only ring hetero atom and three or more double bonds between ring members or between ring members and non-ring members having three double bonds between ring members or between ring members and non-ring members
- C07D213/04—Heterocyclic compounds containing six-membered rings, not condensed with other rings, with one nitrogen atom as the only ring hetero atom and three or more double bonds between ring members or between ring members and non-ring members having three double bonds between ring members or between ring members and non-ring members having no bond between the ring nitrogen atom and a non-ring member or having only hydrogen or carbon atoms directly attached to the ring nitrogen atom
- C07D213/60—Heterocyclic compounds containing six-membered rings, not condensed with other rings, with one nitrogen atom as the only ring hetero atom and three or more double bonds between ring members or between ring members and non-ring members having three double bonds between ring members or between ring members and non-ring members having no bond between the ring nitrogen atom and a non-ring member or having only hydrogen or carbon atoms directly attached to the ring nitrogen atom with hetero atoms or with carbon atoms having three bonds to hetero atoms with at the most one bond to halogen, e.g. ester or nitrile radicals, directly attached to ring carbon atoms
- C07D213/78—Carbon atoms having three bonds to hetero atoms, with at the most one bond to halogen, e.g. ester or nitrile radicals
- C07D213/79—Acids; Esters
- C07D213/803—Processes of preparation
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J2204/00—Aspects relating to feed or outlet devices; Regulating devices for feed or outlet devices
- B01J2204/005—Aspects relating to feed or outlet devices; Regulating devices for feed or outlet devices the outlet side being of particular interest
Abstract
The invention discloses a hydrolysis reaction kettle for dichloronicotinic acid production, which comprises a device body, a driving machine and a movable plate, wherein a bottom plate is arranged below the device body, a side plate is arranged on the side surface of the device body, a feeding hole is formed above the device body, a stirring bin is connected below the feeding hole, the left side of the driving machine is connected with a rotating shaft, a disc is connected above a hydraulic cylinder, baffles are arranged at the joints of the rotating shaft and the stirring bin, a connecting rod is arranged above the rotating shaft, a telescopic rod is arranged in the middle of the connecting rod, second springs are arranged on two sides of the telescopic rod, and a rubber ring is arranged on the side surface of the disc. This dichloro nicotinic acid hydrolysis reaction kettle for production can make dichloro nicotinic acid can be stirred more abundant before carrying out hydrolysis to the stirring storehouse is equipped with threely, can stir respectively to the material of difference before carrying out the reaction, prevents directly to put and leads to mixing inhomogeneous in a storehouse.
Description
Technical Field
The invention relates to the technical field of dichloronicotinic acid processing equipment, in particular to a hydrolysis reaction kettle for dichloronicotinic acid production.
Background
The dichloro nicotinic acid is a chemical substance, is often used as an intermediate of medicines and pesticides, is widely applied to the medicine industry and agriculture, and needs to be mixed with other substances for reaction during pharmacy, and needs to be used in a hydrolysis reaction kettle. There are some problems still in current hydrolysis reaction cauldron when mixing dichloro nicotinic acid, say that dichloro nicotinic acid needs the stirring before mixing, but the granule of dichloro nicotinic acid is less, often can appear stirring insufficient condition to mixing storehouse in the current reation kettle is mostly only equipped with one, when two kinds of different materials are mixed together, can appear mixing efficiency poor condition.
Disclosure of Invention
the invention aims to provide a hydrolysis reaction kettle for dichloronicotinic acid production, which aims to solve the problems of insufficient stirring of the dichloronicotinic acid and poor mixing efficiency of different substances in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme: a hydrolysis reaction kettle for production of dichloronicotinic acid comprises a device body, a driving machine and a movable plate, wherein a bottom plate is arranged below the device body, a side plate is arranged on the side surface of the device body, a feed inlet is arranged above the device body, a stirring bin is connected below the feed inlet, a rotating shaft is connected to the left side of the driving machine, a mixing bin is connected below the stirring bin, discharge outlets are arranged on two sides below the device body, a hydraulic cylinder is arranged in the middle of the discharge outlets, a disc is connected above the hydraulic cylinder, a baffle is arranged at the joint of the rotating shaft and the stirring bin, a connecting rod is arranged above the rotating shaft, a first stirring roller is arranged at the port of the connecting rod, a second stirring roller is arranged above the first stirring roller, first springs are arranged on two sides of the movable plate, and a filter screen is arranged below the movable plate, the middle of the connecting rod is provided with a telescopic rod, the two sides of the telescopic rod are provided with second springs, and the side face of the disc is provided with a rubber ring.
preferably, the bottom plate, the side plates and the device body are movably connected, and the joints of the bottom plate and the side plates are provided with convex structures.
Preferably, the feed inlet is provided with three positions, and the feed inlet is communicated with the stirring bin.
Preferably, the number of the stirring bins is three, the rotating shaft penetrates through the stirring bins, and the left side of the rotating shaft penetrates through the device body.
Preferably, the disc is fixedly connected with the rubber ring, and a seamless structure is formed between the rubber ring and the side wall of the mixing bin.
Preferably, the first stirring roller is movably connected with the connecting rod, the second stirring roller is connected with the first stirring roller through a hinge, and the rotating angles of the first stirring roller and the second stirring roller are both 0-360 degrees.
Preferably, the movable plate is in a convex shape, and the movable plate is movably connected with the device body.
Preferably, the shape of the telescopic rod is I-shaped, and two sides of the telescopic rod penetrate through the connecting rod.
compared with the prior art, the invention has the beneficial effects that: the hydrolysis reaction kettle for the production of the dichloronicotinic acid can ensure that the dichloronicotinic acid can be stirred more fully before the hydrolysis reaction, and three stirring bins are arranged, so that different substances can be respectively stirred before the reaction, the phenomenon that the mixing is not uniform because the substances are directly placed in one bin is prevented,
(1) The baffle plate can seal the joint of the rotating shaft and the stirring bin to prevent substances in different stirring bins from entering other bins;
(2) The movable plate is provided with a first spring and a second spring, the first spring can reset the movable plate, and the second spring can buffer the connecting rod and the telescopic rod when the connecting rod and the telescopic rod move;
(3) The filter screen is arranged, and the filter screen can filter substances such as the dichloronicotinic acid and the like falling from the upper part, so that the substances falling to the lower part meet the mixing standard, and the filtering effect is achieved;
(4) be equipped with pneumatic cylinder, disc and rubber ring, laminate mutually between disc and rubber ring and the mixing bin inside wall, drive disc and rubber ring through the pneumatic cylinder and move down, can form a vacuum environment, make the material of top can be quick be inhaled and mix in the mixing bin, make more abundant that the material mixes.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic top view of the present invention;
FIG. 3 is a schematic side view of the stirring chamber according to the present invention;
FIG. 4 is a schematic view of the internal structure of the present invention at the connecting rod;
FIG. 5 is a schematic top view of the disk and rubber ring of the present invention.
In the figure: 1. the device body, 2, bottom plate, 3, curb plate, 4, feed inlet, 5, stirring storehouse, 6, pivot, 7, driving machine, 8, mix the storehouse, 9, discharge gate, 10, pneumatic cylinder, 11, disc, 12, baffle, 13, connecting rod, 14, first stirring roller, 15, second stirring roller, 16, fly leaf, 17, first spring, 18, filter screen, 19, telescopic link, 20, second spring, 21, rubber ring.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
referring to fig. 1-5, the present invention provides a technical solution: a hydrolysis reaction kettle for dichloronicotinic acid production comprises a device body 1, a bottom plate 2, side plates 3, a feeding hole 4, a stirring bin 5, a rotating shaft 6, a driving machine 7, a mixing bin 8, a discharging hole 9, a hydraulic cylinder 10, a disc 11, a baffle plate 12, a connecting rod 13, a first stirring roller 14, a second stirring roller 15, a movable plate 16, a first spring 17, a filter screen 18, a telescopic rod 19, a second spring 20 and a rubber ring 21, wherein the bottom plate 2 is arranged below the device body 1, the side plates 3 are arranged on the side surface of the device body 1, the bottom plate 2, the side plates 3 and the device body 1 are movably connected, a convex structure is arranged at the joint of the bottom plate 2 and the side plates 3, the bottom plate 2 and the side plates 3 can play buffering and heat-preserving effects on the device body 1, and are convenient for a user to install and disassemble, the feeding hole 4 is arranged above the device body, the lower part of the feed inlet 4 is connected with three stirring bins 5, the feed inlet 4 is provided with three parts, the feed inlet 4 is communicated with the stirring bins 5, different materials can be placed into different feed inlets 4 to be separately stirred, the stirring bins 5 are provided with three parts, the rotating shaft 6 penetrates through the stirring bins 5, the left side of the rotating shaft 6 penetrates into the device body 1, different stirring bins 5 can respectively hydrolyze different materials, the materials are more easily mixed by stirring, the direct mixing in one bin is avoided, the insufficient mixing is caused, the left side of the driving machine 7 is connected with the rotating shaft 6, the lower part of the stirring bin 5 is connected with a mixing bin 8, the two lower sides of the device body 1 are provided with discharge ports 9, the middle of each discharge port 9 is provided with a hydraulic cylinder 10, the upper part of the hydraulic cylinder 10 is connected with a disc 11, the disc 11 is fixedly connected with a rubber ring 21, and the side walls of the rubber ring 21 and the mixing, the disc 11 drives the rubber ring 21 to move up and down in the mixing bin 8, the materials above the rubber ring can be pumped into the mixing bin 8, the baffle plate 12 is arranged at the joint of the rotating shaft 6 and the stirring bin 5, the connecting rod 13 is arranged on the rotating shaft 6, the first stirring roller 14 is arranged at the port of the connecting rod 13, the second stirring roller 15 is arranged on the first stirring roller 14, the first stirring roller 14 is movably connected with the connecting rod 13, the second stirring roller 15 is connected with the first stirring roller 14 through a hinge, the rotating angles of the first stirring roller 14 and the second stirring roller 15 are both 0-360 degrees, the rotating shaft 6 can drive the second stirring roller 15 and the first stirring roller 14 to rotate, and the dichloronicotinic acid in the stirring bin 5 is sufficiently stirred by matching with the rotation of the second stirring roller 15 and the first stirring roller 14, so that the hydrolysis is more sufficient, the two sides of the movable plate 16 are provided with first springs 17, and a filter screen 18 is arranged below the movable plate 16, the movable plate 16 is in a convex shape, and the movable plate 16 is movably connected with the device body 1, the movable plate 16 can play a role in intercepting flow, when the hydraulic cylinder 10 does not work, the first spring 17 can enable the movable plate 16 to seal the connecting ports of the stirring bin 5 and the mixing bin 8, prevent the materials above from flowing to the lower side in the stirring process, the middle of the connecting rod 13 is provided with a telescopic rod 19, and the two sides of the telescopic rod 19 are provided with second springs 20, the telescopic rod 19 is in an I shape, and the two sides of the telescopic rod 19 penetrate through the connecting rod 13, the telescopic rod 19 can be matched with the second spring 20 to prop against the connecting rod 13, so that the second stirring roller 15 can always prop against the inner side wall of the stirring bin 5, the dichloronicotinic acid particles are further ground and stirred, and a rubber ring 21 is arranged on the side surface of the disc 11.
The working principle is as follows: when the hydrolysis reaction kettle for the production of the dichloronicotinic acid is used, whether each part of the hydrolysis reaction kettle is intact or not is checked firstly, then the device body 1, the bottom plate 2 and the side plate 3 are assembled, then the side plate 3 is fixed on the supporting rod to avoid the contact between the hydraulic cylinder 10 and the ground, the bottom plate 2 and the side plate 3 can play a role in buffering and heat preservation for the device body 1, and the installation and the disassembly are convenient for a user, then the dichloronicotinic acid and water which need to be hydrolyzed and mixed are conveyed into one of the feeding holes 4, the dichloronicotinic acid enters the stirring bin 5 below, if different substances need to be mixed, other substances can be put into the other stirring bins 5, so that different substances can be separated and treated, the insufficient mixing caused by directly putting the dichloronicotinic acid together is avoided, at the moment, the feeding hole 4 is closed, the driving machine 7 is opened, and the, and then the connecting rod 13 on the rotating shaft 6 can drive the first stirring roller 14 and the second stirring roller 15 to rotate, so that the first stirring roller 14 and the second stirring roller 15 stir the substances in the stirring bin 5, at the moment, the contraction rod 19 and the second spring 20 are matched with each other, so that the second stirring roller 15 can be extruded on the inner side wall of the stirring bin 5, further, the substances such as the dichloronicotinic acid and the like are ground and hydrolyzed, after the substances such as the dichloronicotinic acid and the like are hydrolyzed, the hydraulic cylinder 10 can be opened, so that the hydraulic cylinder 10 drives the disc 11 and the rubber ring 21 to move downwards in the mixing bin 8, at the moment, a vacuum-like environment is formed between the mixing bin 8 and the stirring bin 5, the hydrolyzed mixed liquid above is quickly sucked to the lower side by utilizing the air pressure difference, at the moment, the movable plate 16 is compressed downwards, the mixed liquid above can enter the lower side, and after the hydraulic cylinder 10 is closed, the movable plate, make fly leaf 16 play the effect that dams, filter screen 18 can filter it at the in-process that the mixed liquid accelerated to move down, makes the mixed liquid that enters into the below can satisfy the mixing requirement, and the final different mixed liquid of hydrolysising can mix in mixing bunker 8, when mixing the completion after, discharges it through discharge gate 9.
the technical solutions provided by the embodiments of the present invention are described in detail above, and the principles and embodiments of the present invention are explained herein by using specific examples, and the descriptions of the embodiments are only used to help understanding the principles of the embodiments of the present invention; meanwhile, for a person skilled in the art, according to the embodiments of the present invention, there may be variations in the specific implementation manners and application ranges, and in summary, the content of the present description should not be construed as a limitation to the present invention.
Claims (8)
1. The utility model provides a dichloro nicotinic acid production hydrolysis reaction cauldron, includes device body (1), driving machine (7) and fly leaf (16), its characterized in that: the device is characterized in that a bottom plate (2) is arranged below the device body (1), a side plate (3) is arranged on the side face of the device body (1), a feeding hole (4) is arranged above the device body (1), a stirring bin (5) is connected below the feeding hole (4), a rotating shaft (6) is connected to the left side of the driving machine (7), a mixing bin (8) is connected below the stirring bin (5), discharge holes (9) are formed in two sides below the device body (1), a hydraulic cylinder (10) is installed in the middle of each discharge hole (9), a disc (11) is connected above each hydraulic cylinder (10), a baffle (12) is arranged at the joint of each rotating shaft (6) and each stirring bin (5), a connecting rod (13) is arranged above each rotating shaft (6), and a first stirring roller (14) is installed at the port of each connecting rod (13), and second stirring roller (15) are installed to the higher authority of first stirring roller (14), first spring (17) are installed to the both sides of fly leaf (16), and the below of fly leaf (16) is provided with filter screen (18), telescopic link (19) are installed to the centre of connecting rod (13), and the both sides of telescopic link (19) are provided with second spring (20), the side of disc (11) is provided with rubber ring (21).
2. The hydrolysis reaction kettle for producing the dichloronicotinic acid as claimed in claim 1, is characterized in that: the bottom plate (2), the side plates (3) and the device body (1) are movably connected, and the joints of the bottom plate (2) and the side plates (3) are provided with convex structures.
3. The hydrolysis reaction kettle for producing the dichloronicotinic acid as claimed in claim 1, is characterized in that: the feed inlet (4) is provided with three positions, and the feed inlet (4) is communicated with the stirring bin (5).
4. The hydrolysis reaction kettle for producing the dichloronicotinic acid as claimed in claim 1, is characterized in that: stirring storehouse (5) are equipped with threely, and pivot (6) run through stirring storehouse (5) to the left side of pivot (6) runs through into device body (1).
5. The hydrolysis reaction kettle for producing the dichloronicotinic acid as claimed in claim 1, is characterized in that: the disc (11) is fixedly connected with the rubber ring (21), and a seamless structure is formed between the rubber ring (21) and the side wall of the mixing bin (8).
6. the hydrolysis reaction kettle for producing the dichloronicotinic acid as claimed in claim 1, is characterized in that: the first stirring roller (14) is movably connected with the connecting rod (13), the second stirring roller (15) is connected with the first stirring roller (14) in a hinge mode, and the rotating angles of the first stirring roller (14) and the second stirring roller (15) are both 0-360 degrees.
7. The hydrolysis reaction kettle for producing the dichloronicotinic acid as claimed in claim 1, is characterized in that: the movable plate (16) is in a convex shape, and the movable plate (16) is movably connected with the device body (1).
8. The hydrolysis reaction kettle for producing the dichloronicotinic acid as claimed in claim 1, is characterized in that: the shape of the telescopic rod (19) is I-shaped, and two sides of the telescopic rod (19) penetrate through the connecting rod (13).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710995053.5A CN108031415B (en) | 2017-10-23 | 2017-10-23 | Hydrolysis reaction kettle for producing dichloronicotinic acid |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710995053.5A CN108031415B (en) | 2017-10-23 | 2017-10-23 | Hydrolysis reaction kettle for producing dichloronicotinic acid |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108031415A CN108031415A (en) | 2018-05-15 |
| CN108031415B true CN108031415B (en) | 2019-12-06 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710995053.5A Active CN108031415B (en) | 2017-10-23 | 2017-10-23 | Hydrolysis reaction kettle for producing dichloronicotinic acid |
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Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7052654B2 (en) * | 2003-02-05 | 2006-05-30 | Exxonmobile Research And Engineering Company | Multiphase mixing device with staged gas introduction |
| CN204125260U (en) * | 2014-07-25 | 2015-01-28 | 天津建昌环保有限公司 | Order processing apparatus before a kind of wastewater to reach standard |
| CN205043960U (en) * | 2015-09-23 | 2016-02-24 | 韩其洋 | Concrete mixer convenient to quick ejection of compact |
| CN206372730U (en) * | 2016-12-15 | 2017-08-04 | 湖南汇升生物科技有限公司 | A kind of starch dissolution device |
| CN107253273A (en) * | 2017-07-26 | 2017-10-17 | 陈仲义 | A kind of concrete batch plant |
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Address after: 323300 Miaogao Zhenjiang Industrial Park, Suichang County, Zhejiang Province Applicant after: ZHEJIANG RONGKAI TECHNOLOGY DEVELOPMENT Co.,Ltd. Address before: 323300 Suichang Shangjiang Industrial Park, Lishui City, Zhejiang Province Applicant before: ZHEJIANG RONGKAI TECHNOLOGY DEVELOPMENT Co.,Ltd. |
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Address after: 323300 Miaogao Zhenjiang Industrial Park, Suichang County, Zhejiang Province Patentee after: ZHEJIANG RONGKAI TECHNOLOGY DEVELOPMENT Co.,Ltd. Address before: 323300 Miaogao Zhenjiang Industrial Park, Suichang County, Zhejiang Province Patentee before: ZHEJIANG RONGKAI TECHNOLOGY DEVELOPMENT Co.,Ltd. |
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Effective date of registration: 20230904 Address after: 333000 Tashan Industrial Zone, Tashan Industrial Park, Leping City, Jingdezhen City, Jiangxi Province Patentee after: Leping Rongkai Technology Co.,Ltd. Address before: 323300 Miaogao Zhenjiang Industrial Park, Suichang County, Zhejiang Province Patentee before: ZHEJIANG RONGKAI TECHNOLOGY DEVELOPMENT Co.,Ltd. |