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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 carbide threading inserts in China, our products ...
We are professional manufacturer of threading inserts. 1. Various sizes are availabl...
Sophia Zhengzhou Huitong Pipe Fitting Co., Ltd Tel: 0086 371 60953359 Fax: +86 37...