American Petroleum Institute
HAWA VALVES are manufacturers and exporters of valves for specialized fields such as Oil & Gas Upstream, Midstream and more Industry.
LANUS INDUSTRIES LLC USA,API 600, 6D, API 6A, API16C, APIQ1,API 607, API6FA valves
Dongying City Hengsheng Petrochemical Machinery Co.,Ltd.is a high-tech manufacturer of supplying API 6A, API 6D, API 16A, API 16C, TS, DIN, JIS Certified Products in casting,forging,medical,argriculture,pipeline,construction,coal,food,waste treatment,metallurgy industries.
Kingsa is global API certified manufacturer and distributor of wellhead, frac equipment, downhole tools and manufacture forgings/castings.
Gretmar is a consultant and offshore supply service company established in January 2006. Our main activities are focused on supporting the offshore oil field industries with the highest technology and safety equipment.