Henan Zhengjin Aluminum Co., Ltd. gon focuses on the design, R & D, production, installation, after-sales service, project consultation and management of building metal roof and wall enclosure system. By introducing imported equipment and making use of its strong R & D ability and comprehensive strength, the company has undertaken construction in recent years and completed a large number of large-scale public buildings, such as airports, stations, convention and exhibition centers, stadiums, exhibition halls, production plants of high-precision products and other metal building roofs with complex shapes, high performance requirements and long service life.