Sun Hydraulics Corporation (Sun) designs, manufactures, and sells screw-in cartridge valves and manifolds used in hydraulic systems. The Company has facilities in the United States, the United Kingdom, Germany, Korea, France, and China. Sun Hydraulik Holdings Limited (Sun Holdings), a wholly owned subsidiary of Sun was formed to provide a holding company for the European market operations; its wholly owned subsidiaries are Sun Hydraulics Limited (Sun Ltd.) and Sun Hydraulik GmbH (Sun GmbH). Sun Ltd. operates a manufacturing and distribution facility located in Coventry, England, and Sun GmbH operates a manufacturing and distribution facility located in Erkelenz, Germany. Sun Hydraulics Korea Corporation (Sun Korea), a wholly owned subsidiary of Sun, operates a manufacturing and distribution facility. On September 27, 2011, Sun acquired High Country Tek, Inc. (HCT).