DK Lok 

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