DK-Lok Corporation manufactures and sells fittings and valves in South Korea, the United States, Europe, Asia, the Middle East, Africa, and Oceania. The company offers tube, hose adapter, instrumentation pipe and weld, hydraulic pipe, bite type, O-ring face seal, JIC tube, ultra torr vacuum, O ring, high pressure, and push-on hose fittings; and ball and plug, check, relief, metering and bellow, needle, regulator, toggle and rising plug, blead and purge, cryogenic, rising plug and toggle, block and bleed, diaphragm, and gauge roots/manifolds, as well as filters. It also provides pre swaging unit, gap gauge, and tube depth marking tool; VR fittings and DCR, weld fittings, and metal gasket face seal fittings; IGS; and check, globe, gate, and ball values. Its products are used in oil and gas, refining and chemicals, machinery and equipment, construction and engineering, procurement, shipbuilding and maritime, semiconductor and display, compressed natural gas/natural gas vehicles, renewable natural gas, aerospace, and hydrogen industries. The company was formerly known as DK Tech Corporation and changed its name to DK-Lok Corporation in April 2014. DK-Lok Corporation was founded in 1992 and is based in Gimhae-si, South Korea.