Основная продукция: API 5CT масляным картером, масло трубки, шланги, трубки короткие, муфты, Флип воротник, регул�

Specification for oil casing: 4-1/2 "---20", buckle type: STC, LTC, BTC, VAM, and according to various sizes of casing short order processing.

Основная продукция: API 5CT масляным картером, масло трубки, шланги, трубки короткие, муфты, Флип воротник, регул�

Drill pipe production specifications: 2-3/8, 3-1/2, 4, 4-1/2, 5, 5-1/2, 6-5/8".Steel grade: E75, X95, G105, S135.1, performance and advantages: the tube end of the rod is used inside and outside the t

Tianjin city dalip Oil Pipe Co. sales company specializing in the production of tubing collar, sleeve coupling, pipe coupling, buckle collar, with special buckle buckle connecting hoop, all kinds of f

Connecting two different sizes of pipes