CN113007452A - LNG dual fuel pipeline heat-insulating watertight flexible cabin penetrating device - Google Patents
LNG dual fuel pipeline heat-insulating watertight flexible cabin penetrating device Download PDFInfo
- Publication number
- CN113007452A CN113007452A CN202110460740.3A CN202110460740A CN113007452A CN 113007452 A CN113007452 A CN 113007452A CN 202110460740 A CN202110460740 A CN 202110460740A CN 113007452 A CN113007452 A CN 113007452A
- Authority
- CN
- China
- Prior art keywords
- expansion joint
- watertight
- fuel pipeline
- seat plate
- pipeline
- 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.)
- Pending
Links
- 239000000446 fuel Substances 0.000 title claims abstract description 58
- 230000000149 penetrating effect Effects 0.000 title claims abstract description 15
- 230000009977 dual effect Effects 0.000 title description 3
- 238000003466 welding Methods 0.000 claims description 10
- 238000009413 insulation Methods 0.000 claims description 9
- 239000003949 liquefied natural gas Substances 0.000 abstract 6
- 230000002093 peripheral effect Effects 0.000 abstract 1
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000035515 penetration Effects 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
Images
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L5/00—Devices for use where pipes, cables or protective tubing pass through walls or partitions
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L5/00—Devices for use where pipes, cables or protective tubing pass through walls or partitions
- F16L5/02—Sealing
- F16L5/10—Sealing by using sealing rings or sleeves only
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L51/00—Expansion-compensation arrangements for pipe-lines
- F16L51/02—Expansion-compensation arrangements for pipe-lines making use of bellows or an expansible folded or corrugated tube
- F16L51/025—Expansion-compensation arrangements for pipe-lines making use of bellows or an expansible folded or corrugated tube with several corrugations
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L59/00—Thermal insulation in general
- F16L59/02—Shape or form of insulating materials, with or without coverings integral with the insulating materials
- F16L59/028—Composition or method of fixing a thermally insulating material
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L59/00—Thermal insulation in general
- F16L59/06—Arrangements using an air layer or vacuum
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L59/00—Thermal insulation in general
- F16L59/14—Arrangements for the insulation of pipes or pipe systems
- F16L59/16—Arrangements specially adapted to local requirements at flanges, junctions, valves or the like
- F16L59/18—Arrangements specially adapted to local requirements at flanges, junctions, valves or the like adapted for joints
- F16L59/184—Flanged joints
Abstract
The invention provides a heat-insulating watertight flexible cabin penetrating device for an LNG (liquefied natural gas) dual-fuel pipeline, wherein a bulkhead at a watertight and airtight position is provided with an opening through which the LNG dual-fuel pipeline penetrates, the opening is arranged in the inner circle range of an expansion joint flange, a bulkhead connecting seat plate is arranged on the bulkhead at the watertight and airtight position at the peripheral side of the opening, an expansion joint is sleeved on the LNG dual-fuel pipeline at one end close to the watertight and airtight position and comprises an expansion joint body and expansion joint flanges positioned at two ends of the expansion joint body, and the expansion joint connecting flange at one end close to the watertight and airtight position is connected with the bulkhead connecting seat plate; and a pipeline connecting seat plate is arranged on the LNG dual-fuel pipeline outside the expansion joint connecting flange at the end far away from the watertight and airtight position, and the expansion joint connecting flange at the end is connected with the pipeline connecting seat plate. The heat-insulating watertight flexible cabin penetrating device for the LNG dual-fuel pipeline not only ensures the watertight performance, but also realizes the flexible compensation, can isolate the conduction of cold and hot media to the cabin wall surface, and is particularly suitable for high and low temperature occasions.
Description
Technical Field
The invention belongs to the technical field of ship manufacturing, and particularly relates to an LNG dual-fuel pipeline heat-insulation watertight flexible cabin penetrating device.
Background
The LNG dual-fuel pipeline arrangement often needs to penetrate through a cabin/wall face of a steel structure, although the water tightness can be guaranteed through traditional direct welding or sleeve welding, if high-temperature or low-temperature media flow through the pipes, heat transfer can be carried out on the cabin/wall face, the structural strength of the cabin/wall face is reduced, cold brittleness can be caused at low temperature seriously, the pipes expand with heat and contract with cold, and large stress can be formed at the welding position due to mechanical vibration, so that the welding structure is damaged greatly. Therefore, a design that can ensure water tightness and insulate heat and cold conduction and can compensate flexibility is required to solve the problem.
Disclosure of Invention
Aiming at the technical problems, the invention provides a heat-insulating watertight flexible cabin penetrating device for an LNG dual-fuel pipeline, which not only ensures the watertight performance, but also realizes the flexible compensation, can isolate the conduction of cold and hot media to the cabin wall surface, is particularly suitable for high and low temperature occasions, and can be used for single-wall, double-wall and vacuum tubes.
In order to achieve the purpose, the invention adopts the following technical scheme:
an LNG dual-fuel pipeline heat-insulation watertight flexible cabin penetrating device comprises a watertight and airtight place and an LNG dual-fuel pipeline, wherein a wall plate of the watertight and airtight place is provided with an opening through which the LNG dual-fuel pipeline penetrates, the distance between the upper side and the lower side of the opening is larger than the diameter of the LNG dual-fuel pipeline, one end of the LNG dual-fuel pipeline penetrates through the opening and extends into the watertight and airtight place, a cabin wall connecting seat plate is arranged on a cabin wall of the watertight and airtight place around the opening, an expansion joint is sleeved on the LNG dual-fuel pipeline close to one end of the watertight and airtight place and comprises an expansion joint body and expansion joint flanges located at two ends of the expansion joint body, and the expansion joint connecting flange close to one end of the watertight and airtight place is connected with the cabin; the LNG dual-fuel pipeline at the outer side of the expansion joint connecting flange far away from the end with the watertight and airtight properties is provided with a pipeline connecting seat plate, the expansion joint connecting flange at the end is connected with the pipeline connecting seat plate, and the opening is formed in the inner circle range of the expansion joint flange.
Further, a heat insulation gasket sleeved on the LNG dual-fuel pipeline is arranged between the bulkhead connecting seat plate and an expansion joint connecting flange connected with the bulkhead connecting seat plate; and a heat insulation gasket sleeved on the LNG dual-fuel pipeline is arranged between the pipeline connecting seat plate and an expansion joint connecting flange connected with the pipeline connecting seat plate.
Furthermore, the bulkhead connection base plate is connected with the expansion joint connection flange through a fastening bolt, and the pipeline connection base plate is connected with the expansion joint connection flange through a fastening bolt.
Furthermore, the opening is a circular opening, the diameter of the opening is larger than that of the LNG dual-fuel pipeline and smaller than the diameter of the inner circle of the expansion joint flange, and the opening, the LNG dual-fuel pipeline and the expansion joint flange are coaxially arranged.
Furthermore, the bulkhead connecting seat plate is in a circular ring shape, and the diameter of the expansion joint flange of the inner circle of the bulkhead connecting seat plate is the same as that of the expansion joint flange and is coaxially arranged with the expansion joint flange.
Furthermore, the bulkhead connection base plate is connected with the wall plate at the watertight and airtight position through welding, and the pipeline connection base plate is connected with the LNG dual-fuel pipeline through welding.
According to the heat-insulating watertight flexible penetration device for the LNG dual-fuel pipeline, the opening with the size larger than that of the LNG dual-fuel pipeline is formed in the watertight airtight bulkhead, the LNG dual-fuel pipeline is penetrated into the expansion joint, one end of the expansion joint is fixedly connected with the bulkhead, and the other end of the expansion joint is connected with the LNG dual-fuel pipeline, so that the LNG dual-fuel pipeline is connected with the watertight airtight part under the condition that the LNG dual-fuel pipeline is not contacted with the bulkhead, the flanges on the two sides of the expansion joint are connected to form the airtight space, and heat conduction is isolated by using the heat-insulating gasket.
Drawings
FIG. 1 is a structural section view of an LNG dual-fuel pipeline heat-insulating water-tight flexible cabin penetrating device disclosed by the invention;
fig. 2 is a node diagram of a conventional LNG dual fuel pipeline crossing the tank.
The system comprises a water-tight airtight place, a 2-LNG dual-fuel pipeline, a 3-bulkhead connection base plate, a 4-expansion joint, a 5-pipeline connection base plate, a 6-heat insulation gasket, a 7-fastening bolt, an 11-hole, a 12-wall plate, a 41-expansion joint body and a 42-expansion joint flange.
Detailed Description
The invention is further described with reference to the following figures and specific embodiments.
As shown in fig. 1, the heat-insulating watertight flexible cabin penetrating device for the LNG dual-fuel pipeline comprises a watertight and airtight place 1 and an LNG dual-fuel pipeline 2, wherein a wall plate 12 of the watertight and airtight place 1 is provided with an opening 11 through which the LNG dual-fuel pipeline 2 penetrates, the opening 11 is a circular opening, one end of the LNG dual-fuel pipeline 2 extends into the watertight and airtight place 1 through the opening 11, a bulkhead connecting seat plate 3 is arranged on a bulkhead of the watertight and airtight place 1 on the periphery of the opening 11, the bulkhead connecting seat plate 3 is in a circular ring shape, an expansion joint 4 is sleeved on the LNG pipeline 2 at one end close to the watertight and airtight place 1, the expansion joint 4 comprises an expansion joint body 41 and expansion joint flanges 42 positioned at two ends of the expansion joint body 41, and the expansion joint connecting flange 42 at one end close to the watertight and airtight place 1 is connected with the bulkhead connecting seat; the LNG dual-fuel pipeline 2 at the outer side of an expansion joint connecting flange 42 at one end far away from a watertight and airtight place 1 is provided with a pipeline connecting seat plate 5, the expansion joint connecting flange 42 at the end is connected with the pipeline connecting seat plate 5, an opening hole 11, a bulkhead connecting seat plate 3, the LNG dual-fuel pipeline 2 and an expansion joint 4 are arranged in a concentric shaft mode, the diameter of an expansion joint flange 41 with the diameter of the inner circle of the bulkhead connecting seat plate 3 is the same, and the diameter of the opening hole 11 is larger than that of the LNG dual-fuel pipeline 2 and smaller than that of the inner circle; a heat insulation gasket 6 sleeved on the LNG dual-fuel pipeline 2 is arranged between the bulkhead connection seat plate 3 and an expansion joint connection flange 42 connected with the bulkhead connection seat plate; a heat insulation gasket 6 sleeved on the LNG dual-fuel pipeline 2 is arranged between the pipeline connecting seat plate 5 and an expansion joint connecting flange 42 connected with the pipeline connecting seat plate; the bulkhead connecting seat plate 3 is connected with the expansion joint connecting flange 42 through a fastening bolt 7, and the pipeline connecting seat plate 5 is connected with the expansion joint connecting flange 42 through the fastening bolt 7; the bulkhead connection seat plate 3 is connected with a wall plate 12 of the watertight and airtight place 1 through welding, and the pipeline connection seat plate 5 is connected with the LNG dual-fuel pipeline 2 through welding.
The above is only a preferred embodiment of the present invention, and the scope of the present invention is not limited to the above-described embodiments, and any simple modification, equivalent change and modification of the above embodiments according to the technical essence of the present invention should be regarded as the scope of the present invention to those skilled in the art.
Claims (6)
1. An LNG dual-fuel pipeline heat-insulation watertight flexible cabin penetrating device comprises a watertight and airtight place and an LNG dual-fuel pipeline, and is characterized in that a wall plate of the watertight and airtight place is provided with an opening through which the LNG dual-fuel pipeline penetrates, the distance between the upper edge and the lower edge of the opening is larger than the diameter of the LNG dual-fuel pipeline, one end of the LNG dual-fuel pipeline penetrates through the opening and extends into the watertight and airtight place, a bulkhead connecting seat plate is arranged on the bulkhead of the watertight and airtight place around the opening, an expansion joint is sleeved on the LNG dual-fuel pipeline close to one end of the watertight and airtight place and comprises an expansion joint body and expansion joint flanges located at two ends of the expansion joint body, and the expansion joint flange close to one end of the watertight and airtight place is connected with the bulkhead connecting seat plate; the LNG dual-fuel pipeline at the outer side of the expansion joint connecting flange far away from the end with the watertight and airtight properties is provided with a pipeline connecting seat plate, the expansion joint connecting flange at the end is connected with the pipeline connecting seat plate, and the opening is formed in the inner circle range of the expansion joint flange.
2. The LNG dual-fuel pipeline heat-insulating watertight flexible cabin penetrating device as claimed in claim 1, wherein a heat-insulating gasket sleeved on the LNG dual-fuel pipeline is arranged between the cabin wall connecting seat plate and an expansion joint connecting flange connected with the cabin wall connecting seat plate; and a heat insulation gasket sleeved on the LNG dual-fuel pipeline is arranged between the pipeline connecting seat plate and an expansion joint connecting flange connected with the pipeline connecting seat plate.
3. An LNG dual-fuel pipeline heat-insulating watertight flexible cabin penetrating device as claimed in claim 1, characterized in that the cabin wall connection seat plate and an expansion joint connection flange connected with the cabin wall connection seat plate are connected through fastening bolts, and the pipeline connection seat plate and the expansion joint connection flange connected with the pipeline connection seat plate are connected through fastening bolts.
4. The LNG dual-fuel pipeline heat-insulating watertight flexible cabin penetrating device as claimed in claim 1, wherein the opening is a circular opening, the diameter of the opening is larger than that of the LNG dual-fuel pipeline and smaller than that of an inner circle of the expansion joint flange, and the opening, the LNG dual-fuel pipeline and the expansion joint flange are coaxially arranged.
5. An LNG dual-fuel pipeline heat-insulating watertight flexible cabin penetrating device as claimed in claim 4, characterized in that the bulkhead connection base plate is in a circular ring shape, and the diameter of an inner circle of the bulkhead connection base plate is the same as that of an expansion joint flange and is arranged coaxially with the expansion joint flange.
6. The LNG dual-fuel pipeline heat-insulating watertight flexible cabin penetrating device is characterized in that the cabin wall connecting seat plate is connected with a wall plate at a watertight and airtight position through welding, and the pipeline connecting seat plate is connected with the LNG dual-fuel pipeline through welding.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110460740.3A CN113007452A (en) | 2021-04-27 | 2021-04-27 | LNG dual fuel pipeline heat-insulating watertight flexible cabin penetrating device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110460740.3A CN113007452A (en) | 2021-04-27 | 2021-04-27 | LNG dual fuel pipeline heat-insulating watertight flexible cabin penetrating device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113007452A true CN113007452A (en) | 2021-06-22 |
Family
ID=76380595
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110460740.3A Pending CN113007452A (en) | 2021-04-27 | 2021-04-27 | LNG dual fuel pipeline heat-insulating watertight flexible cabin penetrating device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113007452A (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113915419A (en) * | 2021-10-27 | 2022-01-11 | 广州文冲船厂有限责任公司 | Cryogenic fluid conveying device |
| US11454336B1 (en) * | 2021-12-30 | 2022-09-27 | Ub Eng Co., Ltd. | Support device of vacuum pipe |
| CN115163947A (en) * | 2022-05-24 | 2022-10-11 | 安徽万瑞冷电科技有限公司 | Vacuum sealing pipe joint device for fluid transmission |
| CN115727200A (en) * | 2022-11-23 | 2023-03-03 | 沪东中华造船(集团)有限公司 | Special low-temperature cabin penetrating piece device for film type LNG ship and using method |
| CN115727200B (en) * | 2022-11-23 | 2024-05-10 | 沪东中华造船(集团)有限公司 | Special low-temperature cabin penetrating piece device for film type LNG ship and application method |
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| GB191003558A (en) * | 1910-02-14 | 1910-04-14 | George Edward Bench | An Elastic Water Tight Attachment for Connecting Pipes, Valves, or other Parts of Machinery, to Bulkheads, Partitions or Walls. |
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| CN111188950A (en) * | 2020-02-28 | 2020-05-22 | 广船国际有限公司 | Method for watertight penetration of pipeline |
| CN111350881A (en) * | 2020-03-31 | 2020-06-30 | 广船国际有限公司 | Watertight cabin penetrating assembly and installation method |
| CN214466965U (en) * | 2021-01-26 | 2021-10-22 | 招商局金陵鼎衡船舶(扬州)有限公司 | Flexible cabin penetrating device for pipeline heat insulation and water tightness |
| CN214662570U (en) * | 2021-04-27 | 2021-11-09 | 招商局邮轮研究院(上海)有限公司 | LNG dual fuel pipeline heat-insulating watertight flexible cabin penetrating device |
-
2021
- 2021-04-27 CN CN202110460740.3A patent/CN113007452A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB191003558A (en) * | 1910-02-14 | 1910-04-14 | George Edward Bench | An Elastic Water Tight Attachment for Connecting Pipes, Valves, or other Parts of Machinery, to Bulkheads, Partitions or Walls. |
| CN104500901A (en) * | 2014-12-24 | 2015-04-08 | 洛阳双瑞万基钛业有限公司 | Compensation device for magnesium electrolysis high-temperature chlorine system and using method of compensation device |
| CN206246840U (en) * | 2016-12-16 | 2017-06-13 | 中海石油深圳天然气有限公司 | A kind of LNG Pipeline Crossing Programs tunnel headwall sealing section |
| CN207328753U (en) * | 2017-08-03 | 2018-05-08 | 招商局重工(深圳)有限公司 | A kind of watertight leads to cabin device |
| CN111188950A (en) * | 2020-02-28 | 2020-05-22 | 广船国际有限公司 | Method for watertight penetration of pipeline |
| CN111350881A (en) * | 2020-03-31 | 2020-06-30 | 广船国际有限公司 | Watertight cabin penetrating assembly and installation method |
| CN214466965U (en) * | 2021-01-26 | 2021-10-22 | 招商局金陵鼎衡船舶(扬州)有限公司 | Flexible cabin penetrating device for pipeline heat insulation and water tightness |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113915419A (en) * | 2021-10-27 | 2022-01-11 | 广州文冲船厂有限责任公司 | Cryogenic fluid conveying device |
| US11454336B1 (en) * | 2021-12-30 | 2022-09-27 | Ub Eng Co., Ltd. | Support device of vacuum pipe |
| CN115163947A (en) * | 2022-05-24 | 2022-10-11 | 安徽万瑞冷电科技有限公司 | Vacuum sealing pipe joint device for fluid transmission |
| CN115727200A (en) * | 2022-11-23 | 2023-03-03 | 沪东中华造船(集团)有限公司 | Special low-temperature cabin penetrating piece device for film type LNG ship and using method |
| CN115727200B (en) * | 2022-11-23 | 2024-05-10 | 沪东中华造船(集团)有限公司 | Special low-temperature cabin penetrating piece device for film type LNG ship and application method |
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Effective date of registration: 20231205 Address after: 201306 room 207, building 15, Lane 218, Haiji 6th Road, Lingang New District, China (Shanghai) pilot Free Trade Zone, Pudong New Area, Shanghai Applicant after: China Merchants cruise Research Institute (Shanghai) Co.,Ltd. Applicant after: China Merchants Jinling shipping (Nanjing) Co.,Ltd. Address before: 201306 room 207, building 15, Lane 218, Haiji 6th Road, Lingang New District, China (Shanghai) pilot Free Trade Zone, Pudong New Area, Shanghai Applicant before: China Merchants cruise Research Institute (Shanghai) Co.,Ltd. |
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Country or region after: China Address after: 201306 room 207, building 15, Lane 218, Haiji 6th Road, Lingang New Area, pilot Free Trade Zone, Pudong New Area, Shanghai Applicant after: China Merchants Industrial Technology (Shanghai) Co.,Ltd. Applicant after: China Merchants Jinling shipping (Nanjing) Co.,Ltd. Address before: 201306 room 207, building 15, Lane 218, Haiji 6th Road, Lingang New District, China (Shanghai) pilot Free Trade Zone, Pudong New Area, Shanghai Applicant before: China Merchants cruise Research Institute (Shanghai) Co.,Ltd. Country or region before: China Applicant before: China Merchants Jinling shipping (Nanjing) Co.,Ltd. |