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Specification of Threaded Flange, Screwed Flange Threaded Flanges (Screwed flanges...
API 5B Coupling GRADE: J55, K55, N80-1, N80-Q, L80, C90, P110,Q125; SIZE: Tubing co...
We are professional manufacturer of threading inserts. 1. Various sizes are availabl...
We are professional manufacturer of carbide threading inserts in China, our products ...
Zhengzhou Huitong Pipe Fittings Co., Ltd. is mainly engaged in exporting steel pipe a...
Sophia Zhengzhou Huitong Pipe Fitting Co., Ltd Tel: 0086 371 60953359 Fax: +86 37...