steel Grade:T,SM,40Cr、35CrMo、42CrMo size:5/8”; 3/4”,7/8”; 1”, 1-1/8”,5/8”-3/4”;3/4”-...

tubing coupling size:1.05'',1.315'',1.66'',1.9'',2-3/8'',2.7/8'',3-1/2'',4'',4-1/2''。...

The J55 API-5CT casing pipe is a comparatively low steel grade in oil drilling. It is...

The J55 API-5CT casing pipe is a comparatively low steel grade in oil drilling. It is...

API 5 1/2 J/K55 N80 casing coupling BC/LC oil pipe coupling clamp casing collar stan...

High quality collar connection pump rod joint oil pipe coupling standard Product Na...

crude oil drilling equipment octg pipe drill tubing collar Product Name crude oil d...

oil pump rod joint collar Wearable sucker rod coupling standard API SPEC 11 B steel...

Dinsen supplies a comprehensive range of EN877 SML drainage cast iron pipe and fittin...

The J55 API-5CT casing pipe is a comparatively low steel grade in oil drilling. It is...

Product: top quality 13 Chrome 3 1/2 eue casing /tubing coupling Material: H40.J55...

Geological drilling steel pipe of drill pipe or drill collar product name Geological...