Petroleum bututun bututun

Tasirin Petrooleum bututun bututun

Asme sa106, Asme Sa179, Asme Sa192, Asme Sa210, Asme Sa213, da sauransu

Sa na bututun bututun mai

API 5l PSL1, PSL2

API 5L GR.B X42 X52 X60 X65 x70 da sauransu

API 5ct-2018 Casing da Tubing

API 5CT J55, K55, N80, N80Q, da sauransu