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Mapaipi a petroleum

Mwachidule mapaipi a petroleum mapaipi

Mapaipi a petroleum

Asme Sa106, Asme Sa179, Asme Sa192, Asme Sa210, Asme Sa313, ndi zina

Gawo la matope a petroleum

API 5L PSL1, PSL2

API 5l

API 5l GR.B X42 X52 X60 x65 x65 x70 etc

API 5ct-2018 Cassing ndi Tubing

API 5CE

API 5ct J55, K55, N80, N80Q, ndi zina
Kugunda kulowa posaka kapena kutseka