CN207765542U - A kind of low pressure of hydrogen loading system is for hydrogen module and low pressure hydrogen supply module bodies - Google Patents
A kind of low pressure of hydrogen loading system is for hydrogen module and low pressure hydrogen supply module bodies Download PDFInfo
- Publication number
- CN207765542U CN207765542U CN201721755859.9U CN201721755859U CN207765542U CN 207765542 U CN207765542 U CN 207765542U CN 201721755859 U CN201721755859 U CN 201721755859U CN 207765542 U CN207765542 U CN 207765542U
- Authority
- CN
- China
- Prior art keywords
- low pressure
- hydrogen supply
- hydrogen
- low
- pressure hydrogen
- 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.)
- Active
Links
- UFHFLCQGNIYNRP-UHFFFAOYSA-N hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 title claims abstract description 171
- 239000001257 hydrogen Substances 0.000 title claims abstract description 171
- 229910052739 hydrogen Inorganic materials 0.000 title claims abstract description 171
- 239000007789 gas Substances 0.000 claims abstract description 32
- 230000000875 corresponding Effects 0.000 claims abstract description 6
- 238000009434 installation Methods 0.000 claims description 2
- CUZMQPZYCDIHQL-VCTVXEGHSA-L calcium;(2S)-1-[(2S)-3-[(2R)-2-(cyclohexanecarbonylamino)propanoyl]sulfanyl-2-methylpropanoyl]pyrrolidine-2-carboxylate Chemical compound [Ca+2].N([C@H](C)C(=O)SC[C@@H](C)C(=O)N1[C@@H](CCC1)C([O-])=O)C(=O)C1CCCCC1.N([C@H](C)C(=O)SC[C@@H](C)C(=O)N1[C@@H](CCC1)C([O-])=O)C(=O)C1CCCCC1 CUZMQPZYCDIHQL-VCTVXEGHSA-L 0.000 claims 1
- 238000005516 engineering process Methods 0.000 abstract description 5
- 239000000446 fuel Substances 0.000 description 12
- 210000003128 Head Anatomy 0.000 description 7
- 238000005984 hydrogenation reaction Methods 0.000 description 7
- 238000010586 diagram Methods 0.000 description 5
- 238000004519 manufacturing process Methods 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 229940035295 Ting Drugs 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000011030 bottleneck Methods 0.000 description 1
- 230000001808 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 238000001746 injection moulding Methods 0.000 description 1
- 230000014759 maintenance of location Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/30—Hydrogen technology
- Y02E60/50—Fuel cells
Abstract
The utility model is related to a kind of low pressure of hydrogen loading system in fuel-cell vehicle field for hydrogen module and low pressure hydrogen supply module bodies.The low pressure of hydrogen loading system includes low-pressure meter for hydrogen module, low-pressure sensor, safety valve and LOW PRESSURE VENT VALVE IN it is at least one, further include low pressure hydrogen supply module bodies, the low pressure hydrogen supply module bodies are equipped with low pressure hydrogen supply air inlet, low pressure hydrogen supply gas outlet and at least one element installing port, the low-pressure meter, low-pressure sensor, safety valve and at least one of LOW PRESSURE VENT VALVE IN are mounted on corresponding element installing port, it is additionally provided in filling module bodies for making low pressure hydrogen supply air inlet, low pressure hydrogen supply gas outlet corresponds to the communicating passage being connected to element installing port.Said program can reduce system parts quantity, reduce tie point, solve the problems, such as that the potential leakage point in existing system is excessive, assembly technology is big with maintenance difficulty, integrated level is low.
Description
Technical field
The utility model is related to a kind of low pressure of hydrogen loading system in fuel-cell vehicle field for hydrogen module and low pressure
Hydrogen supply module bodies.
Background technology
For fuel cell car mainly using hydrogen as energy source, emission is only water, is ultimate to zero environmental
New-energy automobile in meaning is an important directions of development of automobile, in recent years in global model as environment-friendly type vehicle
It is able to fast development in enclosing.On-board hydrogen system for fuel cell automobile belongs to the fuel storage and feed system of fuel cell car,
Performance and stability important of its safety and reliability to fuel cell and vehicle.Existing fuel battery passenger car or
Bus on-board hydrogen system is broadly divided into the filling, storage and supply three parts of hydrogen；Filling part includes hydrogenation head 1, filtering
Device 4, check valve 5 and high pressure gauge 2 are used for storage section gas transmission；Storage section includes hydrogen storage bottle 10, cylinder valve 8, excess flow valve 9, temperature
Sensor and pressure sensor are spent, high-pressure gas is used for；Supply portion includes filter, pipeline electromagnetic valve 12, pressure reducing valve 13, height
Pressure pressure table 21, low pressure gauge 14, high pressure blow valve 11, LOW PRESSURE VENT VALVE IN 17, pressure sensor and safety valve 16, for
Fuel cell 19 supplies.
Each valve instrument, sensor etc. pass through a large amount of cutting ferrule, threeway/straight coupling by Steel Tube Special in loading system
Etc. being formed by connecting；It is main for the 8 bottles of group fuel battery passenger cars or bus on-board hydrogen system generally used in the market such as Fig. 1
Tie point 91 is added up on pipeline, since hydrogen molecule amount is minimum, is easy to spread, and each tie point is one latent in system
Hydrogen leak point, therefore tie point means more hydrogen leak risks, to influence the stability of hydrogen system
And reliability.The major defect of existing scheme is that integrated level is low, and whole system stability and reliability are poor, a large amount of tie point
Assembly technology is required high, it is easy to lead to the problem of hydrogen leak.
Utility model content
The purpose of this utility model is to provide a kind of low pressure of hydrogen loading system for hydrogen module, to solve existing hydrogen
Reliability is poor existing for gas loading system, the problem of easy ting produce hydrogen leak；The purpose of this utility model also resides in offer
It is a kind of using the low pressure for the low pressure hydrogen supply module bodies that are used on hydrogen module.
To achieve the above object, the low pressure of the utility model is for the scheme 1 of hydrogen module：The low pressure of hydrogen loading system supplies
Hydrogen module includes at least one of low-pressure meter, low-pressure sensor, safety valve and LOW PRESSURE VENT VALVE IN, further includes low pressure hydrogen supply mould
Block main body, the low pressure hydrogen supply module bodies are equipped with low pressure hydrogen supply air inlet, low pressure hydrogen supply gas outlet and at least one element
Installing port, the low-pressure meter, low-pressure sensor, safety valve and at least one of LOW PRESSURE VENT VALVE IN are mounted on corresponding element
On installing port, fills and be additionally provided in module bodies for making low pressure hydrogen supply air inlet, low pressure hydrogen supply gas outlet and element installing port
The communicating passage of corresponding connection.
Scheme 2 is that the low pressure according to scheme 1 is for hydrogen module, the low pressure hydrogen supply air inlet, low pressure hydrogen supply gas outlet
Opposite sides in low pressure hydrogen supply module bodies is set.
Scheme 3 is that for the low pressure according to scheme 2 for hydrogen module, the communicating passage is to be connected to low pressure hydrogen supply air inlet
Put-through channel between mouth and low pressure hydrogen supply gas outlet, the element installing port are arranged on put-through channel.
Scheme 4 is that for the low pressure according to scheme 2 or 3 for hydrogen module, the low pressure hydrogen supply module bodies are bar shaped agllutination
Structure, the low pressure hydrogen supply air inlet, low pressure hydrogen supply gas outlet are separately positioned on the length direction both ends of bar shaped block structure.
Scheme 5 is that the low pressure according to scheme 1 or 2 or 3 is equipped with two or more, each member for hydrogen module, element installing port
Part installing port is inline.
The scheme 1 of the low pressure hydrogen supply module bodies of the utility model is：Low pressure hydrogen supply module bodies are equipped with low pressure hydrogen supply
Air inlet, low pressure hydrogen supply gas outlet and for at least one right of low-pressure meter, low-pressure sensor, safety valve and LOW PRESSURE VENT VALVE IN
The element installing port that should be installed, fill module bodies in be additionally provided with for make low pressure hydrogen supply air inlet, low pressure hydrogen supply gas outlet and
Element installing port corresponds to the communicating passage of connection.
Scheme 2 is that the low pressure hydrogen supply module bodies according to scheme 1, the low pressure hydrogen supply air inlet, low pressure hydrogen supply go out
The opposite sides in low pressure hydrogen supply module bodies is arranged in gas port.
Scheme 3 is the low pressure hydrogen supply module bodies according to scheme 2, and the communicating passage is to be connected to low pressure hydrogen supply
Put-through channel between air inlet and low pressure hydrogen supply gas outlet, the element installing port are arranged on put-through channel.
Scheme 4 is the low pressure hydrogen supply module bodies according to scheme 2 or 3, and the low pressure hydrogen supply module bodies are bar shaped
Block structure, the low pressure hydrogen supply air inlet, low pressure hydrogen supply gas outlet are separately positioned on the length direction both ends of bar shaped block structure.
Scheme 5 is the low pressure hydrogen supply module bodies according to scheme 1 or 2 or 3, and element installing port is equipped with two or more,
Each element installing port is inline.
The utility model has the beneficial effects that：Low pressure includes low pressure hydrogen supply module bodies for hydrogen module, and low pressure is for hydrogen module
Main body is equipped with low pressure hydrogen supply air inlet, low pressure hydrogen supply gas outlet and at least one element installing port, is ensured by communicating passage
Each element on element dress mouth still installs the mode of communicating in existing loading system and continues to be connected to；Compared to existing skill
Art reduces system parts quantity, reduces tie point, solve excessive potential leakage point in existing system, assembly technology and
The maintenance problem that difficulty is big, integrated level is low, improves the safety and reliability of hydrogen system, while reducing cost, is conducive to high-volume
Production；The part of the hydrogen system of different automobile types can be interchanged, and be conducive to reduce the automobile research time, reduces vehicle research and development and takes after sale
Business cost.
Description of the drawings
Fig. 1 is the structural schematic diagram of existing hydrogen loading system；
Fig. 2 is schematic diagram of the low pressure for hydrogen module in hydrogen loading system；
Fig. 3 is the general assembly drawing of hydrogen loading system；
Fig. 4 is the structural schematic diagram for filling module；
Fig. 5 is the structural schematic diagram of memory module；
Fig. 6 is the structural schematic diagram for hydrogen module.
In figure：1- hydrogenation heads, 2- high pressure gauges, 3- filling main body, 4- filters, 5- check valves, 6- valve bodies, 7- tri- are connected
Head, 8- cylinder valves, 9- excess flow valves, 10- hydrogen storages bottle, 11- high pressures blow valve, 12- pipeline electromagnetic valves, 13- pressure reducing valves, 14- low-pressure meters,
15- low-pressure sensors, 16- safety valves, 17- LOW PRESSURE VENT VALVE INs, 18- supply subjects, 19- fuel cells, 21- high-pressures
Table.
Specific implementation mode
The embodiment of the utility model is described further below in conjunction with the accompanying drawings.
The low pressure of the utility model is for the embodiment one of hydrogen module, and as shown in Figures 2 to 6, hydrogen loading system includes adding
Injection molding block, memory module and for hydrogen module, filling module is used to supply to memory module, and fuel cell 19 is connected for hydrogen module.
Filling module includes hydrogenation head 1, filter 4, high pressure gauge 2, check valve 5, filling main body 3.
Hydrogenation head 1 carries out the filling of hydrogen by being connect on automobile hydrogenation stations plus hydrogen rifle, and hydrogen is successively by adding hydrogen
First 1, main body 3, filter 4, check valve 5 are filled and enters memory module, the Hydrogen Vapor Pressure of the display filling of high pressure gauge 2.Hydrogenation head
1, all in filling main body 3, hydrogenation head installing port is filling module air inlet for filter 4, high pressure gauge 2, check valve 5,
Check valve installing port is filling module gas outlet, and filling main body 3 will be in each filling main body 3 by internal gas circuit communicating passage
Part unicom ensures that each element still corresponds to connection according to the mode of communicating in existing loading system.
Memory module includes hydrogen storage bottle 10, cylinder valve 8 and excess flow valve 9, and cylinder valve 8 is mounted in the bottleneck of hydrogen storage bottle 10；Overcurrent
Valve 9 is integrated on cylinder valve 8, and hydrogen storage bottle 10 forms memory module main body；Excess flow valve 9 is built in hydrogen storage bottle 10, excess flow valve 9 it is interior
There is no pressure difference outside, the material structure to making excess flow valve 9 requires to reduce, therefore reduces 9 cost of manufacture of excess flow valve, and raising can
By property.High pressure hydrogen in hydrogen storage bottle 10 enters after excess flow valve 9, cylinder valve 8 successively for hydrogen module, cylinder valve 8 and valve body 6 it
Between pipeline be equipped with three-way connection 7 for connecting other hydrogen storage bottles.
Include high pressure blow valve 11, pipeline electromagnetic valve 12, pressure reducing valve 13, low-pressure meter 14, low pressure sensing for hydrogen module
Device 15, safety valve 16 and LOW PRESSURE VENT VALVE IN 17 form, and the hydrogen of memory module passes through high pressure blow valve 11, pipeline electromagnetic valve successively
12, pressure reducing valve 13, low-pressure meter 14, safety valve 16, low-pressure sensor 15, the supply fuel cell 19 of LOW PRESSURE VENT VALVE IN 17 make
With.Pipeline electromagnetic valve 12 includes valve body 6, and high pressure blow valve 11 is integrated on valve body 6, forms high pressure for hydrogen module.
Low pressure hydrogen supply module bodies 18 be equipped with for connect pressure reducing valve 13 outlet low pressure hydrogen supply air inlet, for connecting
The low pressure hydrogen supply gas outlet of 19 import of fuel cell, low pressure hydrogen supply air inlet and low pressure hydrogen supply gas outlet are arranged in low pressure hydrogen supply mould
The left and right side of block main body 18 is equipped with put-through channel, is set on put-through channel between low pressure hydrogen supply air inlet and low pressure hydrogen supply gas outlet
There are two the above element installing ports, and low-pressure meter 14, low-pressure sensor 15, safety valve 16 and LOW PRESSURE VENT VALVE IN 17 are from right to left
It is sequentially arranged on corresponding element installing port, forms low pressure for hydrogen module.
Further, the pressure in pressure duct is shown in real time by the instrument board of high-pressure pressure sensor teletransmission to driver's cabin
Show, save the high pressure gauge 21 being arranged on the right side of pressure reducing valve, reduces tie point and control cost.
Compared with the prior art, the amount of parts of hydrogen loading system can be significantly reduced, hence it is evident that between reduction parts
Tie point, solve that the potential leakage point in existing system is excessive, assembly technology is big with maintenance difficulty, integrated level is low asks
Topic, improves the safety and reliability of hydrogen system, while reducing cost, is conducive to produce in enormous quantities；The hydrogen system of different automobile types
Part can be interchanged, and be conducive to reduce the automobile research time, reduce vehicle research and development and after service cost.
Embodiment two, embodiment two and embodiment one the difference is that：Low-pressure meter, low pressure can also be sensed
Subelement in device, safety valve and LOW PRESSURE VENT VALVE IN is mounted in low pressure hydrogen supply module bodies, is supplied for being not installed at low pressure
Other elements in hydrogen module main body can be then indirectly connected with by connecting tube in low pressure hydrogen supply module bodies.
Embodiment three, embodiment three and embodiment one the difference is that：Low-pressure meter, low-pressure sensor, safety
The position and erection sequence of valve and LOW PRESSURE VENT VALVE IN in low pressure hydrogen supply module bodies can also need to be adjusted according to installation.
The embodiment of the low pressure hydrogen supply module bodies of the utility model, the structure of low pressure hydrogen supply module bodies and above-mentioned reality
It is identical for the structure of the low pressure hydrogen supply module bodies in any embodiment of hydrogen module with novel low pressure, therefore, it is not repeated
Explanation.
Claims (10)
1. the low pressure of hydrogen loading system is for hydrogen module, including low-pressure meter, low-pressure sensor, safety valve and LOW PRESSURE VENT VALVE IN
It is at least one, it is characterised in that：Further include low pressure hydrogen supply module bodies, the low pressure hydrogen supply module bodies are supplied equipped with low pressure
Hydrogen air inlet, low pressure hydrogen supply gas outlet and at least one element installing port, the low-pressure meter, low-pressure sensor, safety valve
At least one with LOW PRESSURE VENT VALVE IN is mounted on corresponding element installing port, fills and is additionally provided in module bodies for making low pressure
Hydrogen supply air inlet, low pressure hydrogen supply gas outlet and element installing port correspond to the communicating passage being connected to.
2. the low pressure of hydrogen loading system according to claim 1 is for hydrogen module, it is characterised in that：The low pressure hydrogen supply into
The opposite sides in low pressure hydrogen supply module bodies is arranged in gas port, low pressure hydrogen supply gas outlet.
3. the low pressure of hydrogen loading system according to claim 2 is for hydrogen module, it is characterised in that：The communicating passage is
The put-through channel being connected between low pressure hydrogen supply air inlet and low pressure hydrogen supply gas outlet, the element installing port setting is straight-through logical
On road.
4. the low pressure of hydrogen loading system according to claim 2 or 3 is for hydrogen module, it is characterised in that：The low pressure supplies
Hydrogen module main body is bar shaped block structure, and the low pressure hydrogen supply air inlet, low pressure hydrogen supply gas outlet are separately positioned on bar shaped block structure
Length direction both ends.
5. the low pressure of hydrogen loading system according to claim 1 or 2 or 3 is for hydrogen module, it is characterised in that：Element is installed
Mouth is equipped with two or more, and each element installing port is inline.
6. low pressure is for the low pressure hydrogen supply module bodies of hydrogen module, it is characterised in that：The low pressure hydrogen supply module bodies are equipped with low
Press hydrogen supply air inlet, low pressure hydrogen supply gas outlet and for low-pressure meter, low-pressure sensor, safety valve and LOW PRESSURE VENT VALVE IN at least
The element installing port of one corresponding installation, fills and is additionally provided in module bodies for making low pressure hydrogen supply air inlet, low pressure hydrogen supply go out
Gas port corresponds to the communicating passage being connected to element installing port.
7. low pressure hydrogen supply module bodies according to claim 6, it is characterised in that：The low pressure hydrogen supply air inlet, low pressure
The opposite sides in low pressure hydrogen supply module bodies is arranged in hydrogen supply gas outlet.
8. low pressure hydrogen supply module bodies according to claim 7, it is characterised in that：The communicating passage is to be connected to low pressure
Put-through channel between hydrogen supply air inlet and low pressure hydrogen supply gas outlet, the element installing port are arranged on put-through channel.
9. low pressure hydrogen supply module bodies according to claim 7 or 8, it is characterised in that：The low pressure hydrogen supply module bodies
For bar shaped block structure, the low pressure hydrogen supply air inlet, low pressure hydrogen supply gas outlet are separately positioned on the length direction of bar shaped block structure
Both ends.
10. the low pressure hydrogen supply module bodies described according to claim 6 or 7 or 8, it is characterised in that：Element installing port is equipped with two
More than a, each element installing port is inline.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721755859.9U CN207765542U (en) | 2017-12-15 | 2017-12-15 | A kind of low pressure of hydrogen loading system is for hydrogen module and low pressure hydrogen supply module bodies |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721755859.9U CN207765542U (en) | 2017-12-15 | 2017-12-15 | A kind of low pressure of hydrogen loading system is for hydrogen module and low pressure hydrogen supply module bodies |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207765542U true CN207765542U (en) | 2018-08-24 |
Family
ID=63187004
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721755859.9U Active CN207765542U (en) | 2017-12-15 | 2017-12-15 | A kind of low pressure of hydrogen loading system is for hydrogen module and low pressure hydrogen supply module bodies |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207765542U (en) |
-
2017
- 2017-12-15 CN CN201721755859.9U patent/CN207765542U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN207743333U (en) | A kind of hydrogen loading system and fuel cell car | |
| CN202911729U (en) | Integrated type brake control unit | |
| CN106015926A (en) | Compressed hydrogen storage and charging system of hydrogen refueling station | |
| CN207743334U (en) | A kind of high pressure of hydrogen loading system is for hydrogen module and its high pressure hydrogen supply module bodies | |
| CN110439802A (en) | A kind of fuel cell system hydrogen gas circulating pump test device | |
| CN207765542U (en) | A kind of low pressure of hydrogen loading system is for hydrogen module and low pressure hydrogen supply module bodies | |
| CN106123984A (en) | Hydrogen Fuel-cell Vehicles hydrogen-consuming volume real-time displaying device and detection method thereof | |
| CN109237296A (en) | A kind of hydrogen supply method and system applied to hydrogenation stations | |
| CN109935860A (en) | The high pressure of hydrogen loading system is for hydrogen module and its high pressure hydrogen supply module bodies | |
| CN208566176U (en) | A kind of hydrogen storage vessel, hydrogen storage vessel valve and fuel cell car | |
| CN207765541U (en) | A kind of the hydrogen filling module and its filling module bodies of hydrogen loading system | |
| CN109935862A (en) | Hydrogen loading system and fuel cell car | |
| CN109935861A (en) | The low pressure of hydrogen loading system is for hydrogen module and low pressure hydrogen supply module bodies | |
| CN109931497A (en) | Hydrogen storage vessel, hydrogen storage vessel valve and fuel cell car | |
| CN208295529U (en) | Three line list rifles of one kind add hydrogen machine | |
| CN201600244U (en) | Simulation device used for determining car performance at high altitude | |
| CN109935857A (en) | The hydrogen filling module and its filling module bodies of hydrogen loading system | |
| CN201096593Y (en) | Automobile fuel system hermeticity detector | |
| CN203688152U (en) | Novel gas pressure reducer verifying device | |
| CN101791946A (en) | Gas supply system of liquefied natural gas vehicle | |
| CN204214491U (en) | GPS positioned vehicle real-time fuel consumption system | |
| CN112128611A (en) | Novel compressed hydrogen gas filling machine for automobile | |
| CN204328474U (en) | The two gas charging valve control panel of a kind of gas-fueled vehicles | |
| CN112577769A (en) | Hydrogen filling simulation test system | |
| CN203611733U (en) | LNG gas cylinder assembly and LNG vehicle |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address |
Address after: 450061 Yudao Road, Guancheng District, Zhengzhou City, Henan Province Patentee after: Yutong Bus Co.,Ltd. Address before: 450016 Yutong Industrial Zone, eighteen Li River, Henan, Zhengzhou Patentee before: ZHENGZHOU YUTONG BUS Co.,Ltd. |
|
| CP03 | Change of name, title or address |