Hebei Chengjie Automobile Steering Machine Manufacturing Co., Ltd. was established in 1996. It is a large company specializing in R&D, production and sales of automotive steering systems. The company is a member of the China Association of Automobile Manufacturers and has turned to the industry association. It has passed the TS16949 quality management system. The company is located in the Mazhuang Industrial Development Zone of Anping County, the hometown of Chinese wire mesh. It covers an area of 181 acres and has office buildings, staff restaurants, apartments and plantations. The north side of the company is the operation workshop, including the machining workshop (three), the mechanical assembly workshop, the power assembly workshop, the transmission workshop, the painting workshop, the heat treatment center and the logistics transit warehouse. Cheng Jie uses the latest production management system - lean production system, which mainly includes power valve body line, power assembly line, power nut line and power valve core line. It has domestic first-class production equipment and testing instruments; imported high-precision machine tools from Japan and Germany, and internal and external grinding machines; it has its own R&D team and has strong development and production capacity. It will form an annual production capacity of 1 million sets of commercial vehicles and passenger car steering gears and 500,000 sets of steering column.