Otu akụkụ eriri ara ara
AnyịOtu akụkụ eri ara araa na-eji ihe ndị dị elu mee ihe, gụnyereASTM A234 WPBnaNgwa ASTM A105, nke kwekọrọ
dị iche iche n'ichepụta ụkpụrụ dị ka ANSI, JIS, DIN, EN, API 5L, wdg Ọzọkwa, anyị na-aga nke ọma gafere ISO9000.
Asambodo Sistemu Ogo. Tụkwasa obi na nka anyị ma nwee obi ike na ngwaahịa anyị na-emezu ụkpụrụ ụlọ ọrụ kachasị elu.
Dee ozi gị ebe a ziga anyị ya