About Us

• Ningbo Rolling Stone motion controltek.Ltd (RSK) was established in 2001.As a subsidiary of Taiwan&＃039;s contralto INT&＃039;L co, Ltd (CTK). Ningbo Rolling Stone Controltek Co., LTD specializing in the manufacture and export of C9, C7 Grade Rolled Ball screw and nuts. We have complete production and inspection equipments; also we have good experienced people to support you to make profits 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