Which valve factories in China do well in marine valves? The quality must be good!

Several large valve factories in China. Which valve do you mean? LNG carrier or cargo ship,,,

Domestic valve factories in China are as follows:

1: Shanghai kaiweixi valve group co., ltd.

2. Suzhou Xinwei Valve Co., Ltd..

3.CNNC Sufa Technology Industry Co., Ltd.

4. Shanghai Gong Hu Valve Co., Ltd.

5: Shanghai Lianggong Valve Factory Co., Ltd.

6. Jiangnan Valve Co., Ltd.

7. Jiangsu Shentong Valve Co., Ltd.

8. Lanzhou High Pressure Valve Co., Ltd..

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Details can be discussed separately!