Carbon enweghị nkebi Tube maka Fluid Transportation Service Ngwa Maka tubes na carbon ígwè ọkpọkọ Maka Fluid Transportation Service dị ka mmiri, ala nrụgide mmanụ .. Tube Production Standards, Steel Grade, Steel Heat Number: GB/T8163, API 5L PSL1, API 5L PSL2, ASTM A106, ASME, JIS, EN10204, EN10205, B...
GỤKWUO