DK Corporate Headquarters has manufactured for the past 15 years Bite-Type Tube Fittings (JIS),\r\nQuick Couplings, Cone Fittings with O-Rings, Nipples, Various types of Ball & Globe Valves, Non- Return Valves and now Instrumentation Tube Fittings in accordance with International Standards in Stainless Steel, Carbon Steel and Brass material for Hydraulic Applications used in Ships, Machinery, Heavy Vehicles, Steel Mills, Fluid Delivery Systems, On and Offshore, and Oil and Natural Gas Utilities.