The company was incorporated in Tianjin on September 23, 1999, and listed on the Shanghai Stock Exchange in June 2001. The original name was Tianjin Tejing Hydraulic Co., Ltd. In 2005, the main business was transformed, withdrew from the field of hydraulic parts production, and entered the electric power equipment industry. The transformation of the company's main business coincides with the historical period of rapid development of China's electric power industry. The company's main business is R&D, production and sales of power transmission, distribution and control equipment, wires and cables, and pumps. The main products of the engineering company include high-power power electronic products SVG, SVC, electromagnetic wires, coils, stator inserts, copper bars and wire rods, single screw pumps, twin screw pumps, three-screw pumps, centrifugal pumps, etc. Corporate honors: The “development and development of high-performance bismuth high-temperature superconducting long strips” developed by the company has won the State Council's second prize for scientific and technological progress, UL eyewitness laboratory accreditation certificates, expert workstations, municipal enterprise technology centers, etc. It received the honorary title of Advanced Work Unit of the Tianjin Association for Enterprise Science and Technology.