CN107267210A - A kind of WHITE OIL PRODUCTION line - Google Patents
A kind of WHITE OIL PRODUCTION line Download PDFInfo
- Publication number
- CN107267210A CN107267210A CN201710654050.5A CN201710654050A CN107267210A CN 107267210 A CN107267210 A CN 107267210A CN 201710654050 A CN201710654050 A CN 201710654050A CN 107267210 A CN107267210 A CN 107267210A
- Authority
- CN
- China
- Prior art keywords
- tank body
- storage tank
- catalyst
- oil
- group
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 20
- 239000003054 catalyst Substances 0.000 claims abstract description 39
- 238000003860 storage Methods 0.000 claims abstract description 33
- 238000001914 filtration Methods 0.000 claims abstract description 31
- 238000005984 hydrogenation reaction Methods 0.000 claims abstract description 16
- 229910052739 hydrogen Inorganic materials 0.000 claims abstract description 12
- 239000001257 hydrogen Substances 0.000 claims abstract description 12
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 claims description 8
- 239000011521 glass Substances 0.000 claims description 6
- 230000000007 visual effect Effects 0.000 claims description 6
- 238000007599 discharging Methods 0.000 claims description 5
- 238000012856 packing Methods 0.000 claims description 3
- 239000003795 chemical substances by application Substances 0.000 claims description 2
- 238000006555 catalytic reaction Methods 0.000 claims 1
- 238000000034 method Methods 0.000 abstract description 9
- 238000006243 chemical reaction Methods 0.000 abstract description 5
- 230000004992 fission Effects 0.000 abstract description 3
- 230000005055 memory storage Effects 0.000 abstract description 2
- 125000004435 hydrogen atom Chemical class [H]* 0.000 abstract 1
- 239000003921 oil Substances 0.000 description 36
- 150000002431 hydrogen Chemical class 0.000 description 3
- 238000004904 shortening Methods 0.000 description 3
- 230000000903 blocking effect Effects 0.000 description 1
- 150000001720 carbohydrates Chemical class 0.000 description 1
- 230000003197 catalytic effect Effects 0.000 description 1
- 238000004517 catalytic hydrocracking Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000003814 drug Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000003863 metallic catalyst Substances 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 102000004169 proteins and genes Human genes 0.000 description 1
- 108090000623 proteins and genes Proteins 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 230000004044 response Effects 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- 238000005303 weighing Methods 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10G—CRACKING HYDROCARBON OILS; PRODUCTION OF LIQUID HYDROCARBON MIXTURES, e.g. BY DESTRUCTIVE HYDROGENATION, OLIGOMERISATION, POLYMERISATION; RECOVERY OF HYDROCARBON OILS FROM OIL-SHALE, OIL-SAND, OR GASES; REFINING MIXTURES MAINLY CONSISTING OF HYDROCARBONS; REFORMING OF NAPHTHA; MINERAL WAXES
- C10G67/00—Treatment of hydrocarbon oils by at least one hydrotreatment process and at least one process for refining in the absence of hydrogen only
- C10G67/02—Treatment of hydrocarbon oils by at least one hydrotreatment process and at least one process for refining in the absence of hydrogen only plural serial stages only
Landscapes
- Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Fats And Perfumes (AREA)
- Devices And Processes Conducted In The Presence Of Fluids And Solid Particles (AREA)
Abstract
A kind of WHITE OIL PRODUCTION line, it includes filtering storage tank and hydrogenation reaction kettle, and the filtering storage tank includes filtering storage tank tank body（21）, double layered cone screen pack（22）, screen support frame（23）With filter screen lifting device, storage tank tank body is filtered（21）Top is provided with oil inlet, and bottom is provided with oil-out, filters storage tank tank body（21）It is interior to be vertically provided with guide rod（24）, guide rod（4）For hollow tube, and symmetrically a pair of elongated holes, the guide rod are provided with the tube wall of hollow tube（4）On be cased with telescoping tube（25）；Advantage is：Reasonable in design, white oil can be filtered slowly during storage tank memory storage, and filtering is fine, it is to avoid filtered again when in use, improve operating efficiency；It is precisely controlled the addition of catalyst automatically using flow valve, while adding catalyst by the way of top is uniform, catalyst is fully contacted with tail oil and hydrogen, accelerates tail oil reaction fission process.
Description
Technical field
The present invention relates to WHITE OIL PRODUCTION technical field, and in particular to a kind of WHITE OIL PRODUCTION line.
Background technology
Shortening shortening, scientific name white oil, because it seems snow-white, is similar to lard.Shortening is food industry
One of special fat.It has certain plasticity or denseness, the purposes such as dispensing, surface spraying or the demoulding as cake.It
May be employed to shortcakeization or soften baked food, make protein and carbohydrate in process will not turn into it is hard and
It is linked to be bulk, and improves mouthfeel.
At present, eat white oil needs to filter it when food and medicine field is used, and traditional filtering is white oil
Back filtering side is exported out of storage tank to use, and multiple times of filtration is carried out by the filter screen of different pore size during filtering, if to carry out essence
Then the time is long for thin filtering, and efficiency is low, influences production efficiency；The production of edible white oil is typically produced using one-stage hydrogenation technique, and one
Section hydrogenation technique is to pass through solvent dewaxed oil as raw material using hydrocracking tail oil or SSOT tail oils, using reduced form metallic catalyst
By being hydrogenated with elevated pressure conditions, product is up to food-grade, the usual manual weighing of addition of catalyst in current existing production line
People is directly directly added by the opening of retort afterwards, the mode of this plus catalyst is unfavorable for catalyst and tail oil and hydrogen
Contact, and it is unfavorable for integral sealing design, long response time process can be dragged, slows down production line beat, increases production cost.
The content of the invention
The purpose of the present invention is exactly in order to solve the above-mentioned technical problem, and to provide a kind of WHITE OIL PRODUCTION line.
The present invention includes filtering storage tank and hydrogenation reaction kettle, and the filtering storage tank includes filtering storage tank tank body, double layered cone
Oil inlet is provided with the top of screen pack, screen support frame and filter screen lifting device, filtering storage tank tank body, bottom is provided with oil-out, mistake
Filter and guide rod is vertically provided with Tank body, guide rod is hollow tube, and is symmetrically provided with a pair of elongated holes on the tube wall of hollow tube, described
Telescoping tube is cased with guide rod；Screen support frame is provided with to be provided with the guide pin bushing used cooperatively with guide rod, guide pin bushing matches somebody with somebody with a pair of elongated holes
The locating rod used is closed, screen support frame is movably arranged on guide rod by guide pin bushing, and one end of guide pin bushing is connected with telescoping tube, double
Filter packing is provided with layer conical filter net, double layered cone screen pack is arranged on screen support frame；Filter screen lifting device includes
Balancing weight and one group of pulley, one group of pulley are separately mounted at the top of filtering storage tank tank body, and one end of balancing weight passes through drawstring and fixed
Position bar connection, it is uniform that the hydrogenation reaction kettle includes tank body, catalyst casing, catalyst flow valve, integrated package, one group of catalyst
Pipe, force (forcing) pump, pressure-control valve, tail oil pipe, outlet valve and hydrogen pipe, the top surface of the tank body enter provided with one group of catalyst
Mouth, bottom is taper, and bottom is provided with discharging opening, and side surface upper part is provided with tail oil entrance and hydrogenation mouth, and side lower is provided with pressurization mouth,
Side middle part is provided with visual window installing port, and the catalyst casing is fixedly mounted on the top of tank body by support, described integrated
Block is provided with entrance, one group of outlet and the inner passage for connecting inlet port, and the entrance of integrated package is by catalyst flow valve with urging
The outlet of agent casing, the one group of outlet of one end of the equal stringing of one group of catalyst respectively with integrated package is another
End is connected with tank body top surface provided with one group of catalyst inlet respectively, and the housing of the force (forcing) pump is fixedly mounted on the outer wall of tank body
On, and the high-pressure outlet of force (forcing) pump connected by pressure-control valve and pipeline with the pressurization mouthful of tank body, the two ends of the tail oil pipe
Lead to the oil-out of filter storage tank tank base and the tail oil entrance of tank body repeatedly respectively, the outlet valve is arranged on the discharging opening of tank body
Place, the hydrogen pipe is connected by valve with the hydrogenation mouthful of tank body.
It also has glass vision panel, and the glass vision panel is fixedly mounted at the visual window installing port of tank body.
The top of the tank body is plane, and bottom is taper.
The filtering Tank body lateral wall is provided with guide rail, and balancing weight is provided with the roller walked on guide rail.
The balancing weight is made up of many individual blocks.
The method have the advantages that：A kind of WHITE OIL PRODUCTION line of present invention offer, reasonable in design, white oil is in storage tank memory storage mistake
It can slowly be filtered in journey, filtering is fine, it is to avoid filtered again when in use, improve operating efficiency；Using
Flow valve is precisely controlled the addition of catalyst automatically, while adding catalyst by the way of top is uniform, fills catalyst
Divide and contacted with tail oil and hydrogen, accelerate tail oil reaction fission process, make reaction more thorough, improve WHITE OIL PRODUCTION line efficiency, subtract
Small cost, with good practical value.
Brief description of the drawings
Fig. 1 is schematic structural view of the invention.
Fig. 2 is present invention filtering tank structure schematic diagram.
Fig. 3 is hydrogenation reaction kettle structural representation of the present invention.
Embodiment
As shown in drawings, the present invention includes filtering storage tank and hydrogenation reaction kettle, and the filtering storage tank includes filtering Tank
Body 21, double layered cone screen pack 22, screen support frame 23 and filter screen lifting device, the top of filtering storage tank tank body 21 are provided with oil-feed
Mouthful, bottom is provided with oil-out, filtering storage tank tank body 21 and is vertically provided with guide rod 24, and guide rod 4 is hollow tube, and in the pipe of hollow tube
Symmetrical be provided with a pair of elongated holes, the guide rod 4 is cased with telescoping tube 25 on wall；Screen support frame 23, which is provided with to coordinate with guide rod 4, to be made
Provided with the locating rod 27 used cooperatively with a pair of elongated holes in guide pin bushing 26, guide pin bushing 26, screen support frame 23 is lived by guide pin bushing 26
Move and be arranged on guide rod 4, and one end of guide pin bushing 26 is connected with telescoping tube 25, and filter packing is provided with double layered cone screen pack 22,
Double layered cone screen pack 22 is arranged on screen support frame 23；Filter screen lifting device includes balancing weight 28 and one group of pulley 29, one
Group pulley 29 is separately mounted to the top of filtering storage tank tank body 21, and one end of balancing weight 28 is connected by drawstring and locating rod 27, institute
State hydrogenation reaction kettle including tank body 1, catalyst casing 2, catalyst flow valve 3, integrated package 10, the equal stringing 4 of one group of catalyst, plus
Press pump 5, pressure-control valve 6, tail oil pipe 7, outlet valve 8 and hydrogen pipe 12, the top surface of the tank body 1 enter provided with one group of catalyst
Mouth, bottom is taper, and bottom is provided with discharging opening, and side surface upper part is provided with tail oil entrance and hydrogenation mouth, and side lower is provided with pressurization mouth,
Side middle part is provided with visual window installing port, and the catalyst casing 2 is fixedly mounted on the top of tank body 1, the collection by support 9
Blocking 10 are provided with entrance, one group of outlet and the inner passage for connecting inlet port, and the entrance of integrated package 10 passes through catalyst flow
The outlet of valve 3 and catalyst casing 2, one end of the equal stringing 4 of one group of catalyst goes out with one group of integrated package 10 respectively
Mouth connection, the other end is connected with the top surface of tank body 1 provided with one group of catalyst inlet respectively, and the housing of the force (forcing) pump 5 fixes peace
On the outer wall of tank body 1, and the high-pressure outlet of force (forcing) pump 5 is connected by the pressurization mouthful of pressure-control valve 6 and pipeline and tank body 1
Logical, the two ends of the tail oil pipe 7 lead to the oil-out of the bottom of filter storage tank tank body 21 and the tail oil entrance of tank body 1 repeatedly respectively, described
Outlet valve 8 is arranged on the discharge outlet of tank body 1, and the hydrogen pipe 12 is connected by valve with the hydrogenation mouthful of tank body 1.
It also has glass vision panel 11, and the glass vision panel 11 is fixedly mounted at the visual window installing port of tank body 1.
The top of the tank body 1 is plane, and bottom is taper.
The lateral wall of filtering storage tank tank body 21 is provided with guide rail 30, and balancing weight 28 is provided with the rolling walked on guide rail 30
Wheel.
The balancing weight 28 is made up of many individual blocks.
Working method and principle：Under default situations, double layered cone screen pack 22 is located at the inner bottom part of filtering storage tank tank body 21, tail
After oil is filling, the weight of balancing weight 28 is adjusted, the weight of balancing weight 28 is more than double layered cone screen pack 22 and screen support frame
The gross weight of filter element in 23, makes double layered cone screen pack 22 and screen support frame 23 slowly ramp up, drawstring one end is located at
In guide rod 4, and it is connected in the middle of locating rod 27, it is ensured that the balance of pulling force, telescoping tube 25 plays sealed to guide rod 4 and guide pin bushing 26
Effect, prevents the oil on the upper strata of double layered cone screen pack 22 from draining to double layered cone screen pack 22 from guide rod 4 and the junction of guide pin bushing 26
Lower floor, changes the speed of the rising of double layered cone screen pack 22, the present apparatus exists as desired by the weight of adjustment balancing weight 28
Tail oil is filtered during storing to tail oil, without being refiltered when use, production efficiency is improved, when one
After the completion of tail oil use in storage tank, balancing weight 28 is removed, the work of double layered cone screen pack 22 and screen support frame 23 in deadweight
With it is lower it is automatic under fall on the inner bottom part of filtering storage tank tank body 21.The tail oil filtering storage tank tank body 21 of filtering is added to tank from tail oil pipe 7
In body 1, hydrogen pipe 12 is by technically pure hydrogen, and catalyst is added in catalyst casing 2, according to tail oil inlet, pressurization
Pump 5 opens work to being pressurizeed in tank body 1, and the control of pressure-control valve 6 internal pressure of tank body 1, which is tried hard to keep, holds setting pressure, catalyst stream
Catalytic amount needed for the control primary first-order equation of valve 3 is measured, and it is uniform from the equal stringing 4 of one group of catalyst by way of top uniformly falls
Fall, catalyst is fully contacted with tail oil and hydrogen, accelerate tail oil reaction fission process, make reaction more thorough, improve white
Oily production line efficiency, reduces cost.
Claims (5)
1. a kind of WHITE OIL PRODUCTION line, it is characterised in that it includes filtering storage tank and hydrogenation reaction kettle, the filtering storage tank included
Filter storage tank tank body（21）, double layered cone screen pack（22）, screen support frame（23）With filter screen lifting device, storage tank tank body is filtered
（21）Top is provided with oil inlet, and bottom is provided with oil-out, filters storage tank tank body（21）It is interior to be vertically provided with guide rod（24）, guide rod（4）
For hollow tube, and symmetrically a pair of elongated holes, the guide rod are provided with the tube wall of hollow tube（4）On be cased with telescoping tube（25）；Filter screen
Support frame（23）It is provided with and guide rod（4）The guide pin bushing used cooperatively（26）, guide pin bushing（26）Interior be provided with uses cooperatively with a pair of elongated holes
Locating rod（27）, screen support frame（23）Pass through guide pin bushing（26）It is movably arranged on guide rod（4）On, and guide pin bushing（26）One end with
Telescoping tube（25）Connection, double layered cone screen pack（22）It is interior to be provided with filter packing, double layered cone screen pack（22）Installed in filter screen
Support frame（23）On；Filter screen lifting device includes balancing weight（28）With one group of pulley（29）, one group of pulley（29）It is separately mounted to
Filter storage tank tank body（21）Top, balancing weight（28）One end pass through drawstring and locating rod（27）Connection, the hydrogenation reaction kettle
Including tank body（1）, catalyst casing（2）, catalyst flow valve（3）, integrated package（10）, one group of equal stringing of catalyst（4）, pressurization
Pump（5）, pressure-control valve（6）, tail oil pipe（7）, outlet valve（8）And hydrogen pipe（12）, the tank body（1）Top surface be provided with one
Group catalyst inlet, bottom is taper, and bottom is provided with discharging opening, and side surface upper part is provided with tail oil entrance and hydrogenation mouth, side lower
Provided with pressurization mouth, side middle part is provided with visual window installing port, the catalyst casing（2）Pass through support（9）It is fixedly mounted on tank
Body（1）Top, the integrated package（10）Provided with entrance, one group of outlet and the inner passage for connecting inlet port, integrated package
（10）Entrance pass through catalyst flow valve（3）With catalyst casing（2）Outlet, the equal stringing of one group of catalyst
（4）One end respectively with integrated package（10）One group of outlet, the other end respectively with tank body（1）Top surface is provided with one group of catalysis
Agent entrance is connected, the force (forcing) pump（5）Housing be fixedly mounted on tank body（1）Outer wall on, and force (forcing) pump（5）High-pressure outlet
Pass through pressure-control valve（6）With pipeline and tank body（1）Pressurization mouthful connection, the tail oil pipe（7）Two ends respectively repeatedly lead to filter
Storage tank tank body（21）The oil-out and tank body of bottom（1）Tail oil entrance, the outlet valve（8）Installed in tank body（1）Discharging
At mouthful, the hydrogen pipe（12）Pass through valve and tank body（1）Hydrogenation mouthful connection.
2. a kind of WHITE OIL PRODUCTION line according to claim 1, it is characterised in that it also has glass vision panel（11）, the glass
Form（11）It is fixedly mounted on tank body（1）Visual window installing port at.
3. a kind of WHITE OIL PRODUCTION line according to claim 1, it is characterised in that the tank body（1）Top be plane, bottom
Portion is taper.
4. a kind of WHITE OIL PRODUCTION line according to claim 1, it is characterised in that the filtering storage tank tank body（21）Lateral wall
It is provided with guide rail（30）, balancing weight（28）It is provided with guide rail（30）The roller of upper walking.
5. a kind of WHITE OIL PRODUCTION line according to claim 1, it is characterised in that the balancing weight（28）By many individual block groups
Into.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710654050.5A CN107267210B (en) | 2017-08-03 | 2017-08-03 | White oil production line |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710654050.5A CN107267210B (en) | 2017-08-03 | 2017-08-03 | White oil production line |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107267210A true CN107267210A (en) | 2017-10-20 |
| CN107267210B CN107267210B (en) | 2022-09-23 |
Family
ID=60076335
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710654050.5A Active CN107267210B (en) | 2017-08-03 | 2017-08-03 | White oil production line |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107267210B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108720603A (en) * | 2018-06-19 | 2018-11-02 | 深圳市三维远东科技有限公司 | The brew chamber that vacuum hydro-extraction brews |
| CN109181769A (en) * | 2018-11-13 | 2019-01-11 | 唐山冀油瑞丰化工有限公司 | Energy-saving Wax Oil Hydrogenation Unit in petrochemical industry |
| CN112708458A (en) * | 2019-10-24 | 2021-04-27 | 中国石油化工股份有限公司 | System and method for treating oil slurry |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1944587A (en) * | 2005-10-08 | 2007-04-11 | 中国石油化工股份有限公司 | Method for producing food grade white oil by hydrogenating tail oil |
| CN203790653U (en) * | 2014-04-09 | 2014-08-27 | 常州同泰生物药业科技有限公司 | White oil filtering device |
| CN207452031U (en) * | 2017-08-03 | 2018-06-05 | 湖北维佳科技有限公司 | A kind of WHITE OIL PRODUCTION line |
-
2017
- 2017-08-03 CN CN201710654050.5A patent/CN107267210B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1944587A (en) * | 2005-10-08 | 2007-04-11 | 中国石油化工股份有限公司 | Method for producing food grade white oil by hydrogenating tail oil |
| CN203790653U (en) * | 2014-04-09 | 2014-08-27 | 常州同泰生物药业科技有限公司 | White oil filtering device |
| CN207452031U (en) * | 2017-08-03 | 2018-06-05 | 湖北维佳科技有限公司 | A kind of WHITE OIL PRODUCTION line |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108720603A (en) * | 2018-06-19 | 2018-11-02 | 深圳市三维远东科技有限公司 | The brew chamber that vacuum hydro-extraction brews |
| CN109181769A (en) * | 2018-11-13 | 2019-01-11 | 唐山冀油瑞丰化工有限公司 | Energy-saving Wax Oil Hydrogenation Unit in petrochemical industry |
| CN109181769B (en) * | 2018-11-13 | 2021-02-19 | 唐山冀油瑞丰化工有限公司 | Energy-saving wax oil hydrogenation device in petrochemical industry |
| CN112708458A (en) * | 2019-10-24 | 2021-04-27 | 中国石油化工股份有限公司 | System and method for treating oil slurry |
| CN112708458B (en) * | 2019-10-24 | 2022-12-13 | 中国石油化工股份有限公司 | System and method for treating oil slurry |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107267210B (en) | 2022-09-23 |
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| TA01 | Transfer of patent application right |
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Effective date of registration: 20230625 Address after: 448124 No. 18, Tianle Road, Duodao District, High tech Zone, Jingmen City, Hubei Province Patentee after: HUBEI VIVATECH Co.,Ltd. Patentee after: JINGMEN WEIJIA INDUSTRIAL Co.,Ltd. Address before: 448124 No. 18, Tianle Road, Duodao District, high tech Zone, Jingmen City, Hubei Province Patentee before: HUBEI VIVATECH Co.,Ltd. |
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Denomination of invention: A white oil production line Effective date of registration: 20230727 Granted publication date: 20220923 Pledgee: Jingmen Branch of China Postal Savings Bank Co.,Ltd. Pledgor: HUBEI VIVATECH Co.,Ltd. Registration number: Y2023980050032 |
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Granted publication date: 20220923 Pledgee: Jingmen Branch of China Postal Savings Bank Co.,Ltd. Pledgor: HUBEI VIVATECH Co.,Ltd. Registration number: Y2023980050032 |
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| PC01 | Cancellation of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of invention: A white oil production line Granted publication date: 20220923 Pledgee: Jingmen Branch of China Postal Savings Bank Co.,Ltd. Pledgor: HUBEI VIVATECH Co.,Ltd. Registration number: Y2024980030452 |
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