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Certification

API 17K Petroleum Industry Certification
API 7K Petroleum Industry Certification
API certificate-16c
Petroleum pipe ABS-PDA certification
Letone ABS-MA certification
Hydraulic pipe ABS-SQ1944230-PDA certification
Lloyd's Refractory Certification
Russia-GOST-Petroleum Certification
Petroleum pipe ABS-PDA certification
API-Q1 certification