Bayanin Tsarin Tsarin Bututun Man Fetur Tsarin Bututun Mai ASME SA106, ASME SA179, ASME SA192, ASME SA210, ASME SA213, ASME SA335, da dai sauransu Matsayin Tsarin Bututun Man Fetur API 5L PSL1, PSL2 API 5L API 5L Gr.B X42 X52 X60 X65 X70 Da dai sauransu API 5CT-2018 Casing da Tubing API 5CT API 5CT J55, K55, N80, N80Q, da dai sauransu