Zhengzhou Jingwei Technology Industry Co., Ltd?Jingwei? is a high-tech enterprise specialized in the R&D and promotion of non-ferrous metallurgical high-tech equipment and high-end industrial automation control systems. Core business of the company includes three parts: light metals metallurgical equipment, industrial automation control and energy-saving integrated technology. The enterprise competitiveness is, with the mechanized equipment in field of nonferrous metal and integrated ...