Pêlên Petrolên Petrolên Pitrole

Overview of Pitroleum Pipes Struktura Pêvek

Asme sa106, asme sa179, asme sa192, asme sa210, asme sa213, asme sa335, hwd

Pîvana Petrolên Petrolên Pitroleum Pipes

API 5L PSL1, PSL2

API 5L GB X42 X52 X60 X65 X70 ETC

API 5CT-2018 Casing and Tubing

API 5CT J55, K55, N80, N80Q, hwd