Rodless Pumps Inc., founded in 1983, is one of the largest ESP manufacturing company in China, which produces electric submersible pump (ESP), cable and ESP surface equipment with the leading international technology. Rodless is also the sole specialization company of SINOPEC, engaging in research, development, manufacture and technical service of electric submersible pump (ESP), and the only technical service center of hydraulic pump in China. Rodless is mainly engaged in design, research, manufacture and repair, sale and service of ESP units, cable, whole-set electric equipment, machining fittings and hydraulic pumps. Rodless headquarter occupies 480, 000m2 of space, including 260, 000 m2 of the manufacturing and repairing workshop. Roldess owns 5 cable production lines, over 200 sets of CNC lathes, CNC machining centers and other special equipment, 2088 sets of inspection instruments and 40 sets of large test devices. Rodless has annual capability of manufacturing and repairing 5000 sets of ESP units, 2000 sets of hydraulic pumps, 3600 km of ESP cables, 5000 km electric cables, 2000 sets of control panel. Rodless owns 23 national patents and 5 design softwares related to ESP technology and products. Rodless has established ERP system for material or goods circulation management, PDM system for products designing management, ST System for product test in compliance with Chinese national standards and related API practice recommendations. Rodless was qualified for ISO9001 Quality Management System certification at first time in November 1995, and later on passed the review of new version ISO9001: 2000 and ISO9001: 2000 UKAS in March 2002, and obtained the certificates of ISO9001, ISO14001 and OHSAS18001 in January 2005. "SLP"is the registered trademark of RODLESS. In order to expand the SLP pump business and strive