San Dong Metal Industry Co., Ltd.

San Dong Metal Industry Co., Ltd. (SMI), established in 1998 in Chilgok-gun, Gyeongsangbuk-do, South Korea, is a leading manufacturer and exporter of high-pressure flow line equipment for the oil and gas industry. The company is Korea's sole exporter of oil drilling valves, specializing in API-certified plug valves, choke valves, check valves, relief valves, pup joints, integral fittings, swivel joints, hammer unions, manifolds, connectors, and flexible frac hoses. SMI holds API 6A, API 6D, API 16C, and API Q1 certifications along with ISO 9001 and ISO 14001. The company exports to over 40 countries across North and South America, Europe, the Middle East, Australia, and Southeast Asia, serving 250+ customers. With 170+ employees and in-house design engineering capability, SMI was designated a Korean Global Hidden Champion and has achieved over $20 million in exports. Products are fully interchangeable with major global brand flow line equipment and manufactured to withstand extreme pressures required for shale gas extraction and conventional drilling operations.