Ningbo Rolling Stone Motion Controltek Co., Ltd.(RSK) was established in 2001.As a subsidiary of Taiwan&＃039;s controltek INT&＃039;L co, Ltd(CTK). RSK&＃039; main business contains three portions: Part 1:manufacturing linear motion components , such as :ball screw and nut, rolled and ground, linear shaft units and slides. Part 2: importing equipments and mechanical parts from developed countries , such as:spindes, precision rotating unions, CNC controllers. Part 3: design and assemble actuator&＃039;s control sysmems and special service valves , for applications inoil, petrochmical, chemical, power and water treatment industries. RSK History RSK was established in the industrial area of Meixu in Ningbo in 2001. RSK has built a new workshop in the investment of Yinzhou , Ningbo, and moved in in July , 2004. RSK has got the agency of deublin rotation unions for Southern China in Aug 2005, to support China &＃039;s CNC machine tool producer to upgrading their machines. RSK Values PROFESSIONAL, RESPECTFUL, INNOVATIVE, ETERNAL RSK Goal To contribute to the development of chinese industry and serve the whole world