Product categories of Coupling, we are specialized manufacturers from China, Seamless Coupling, Tubing Coupling suppliers/factory, wholesale high-quality products of Api 5Ct Coupling R & D and manufacturing, we have the perfect after-sales service and technical support. Look forward to your cooperation!
China Coupling Suppliers
OCTG Coupling is used to connect the casing and tubing, sizes form 1.315inchs to 20
inches O.D., material grade J55, K55, N80, L80, P110, etc., according to
API SPEC 5CT Standard.
Size from 1.050 to 4.5 inches O.D., wall thickness from 3.18 mm to 10.54 mm,
material grade J55, K55, N80, L80, P110, etc., according to API SPEC 5CT