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26/06/2023
About Tsingshan
Zhejiang Tsingshan Steel Pipe Co., Ltd., founded in 2003, is a manufacturer integrating research and ...
27/06/2023
Tsingshan History
2014/04 Got approval from CB&I, became its qualified supplier. 2014/02 Got approval from FERTIL, ...
28/06/2023
After-sales Service
Tsingshan cares about customers’ needs and sets scrap returns and bonus program. Tsingshan conducts ...
28/06/2023
Tsingshan News
SEAN KOREA VISIT TSINGSHAN IN NOVEMBER [2017-11-28] On 8th and 15th, Nov., 2017, 60 Employees of the ...