api 5l gr.b seamless

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[CN] Guangdong Zhonghai Steel Pipe Manufacturing Corporation [Manufacturer]
Key Products/Services:
Business Overview: China Zhonghai Steel Pipe Manufacturing Corporation established in 1997.It is one of the biggest pipe producers in Great China. Owned more than 1000 employe...

760

800

760

[CN] hunan great steel pipe co,.ltd [Manufacturer]
Key Products/Services:
Business Overview: Hunan Shinestar Steel Group(HSSG) was founded in 1978 and our enterprise is the predecessor of branch of China's oil and gas pipeline science research insti...

600-800