The main business of Henan GZJ Steel Co., Ltd. is as follows: 1. Design production and installation of light-weight steel structure factory house, house, networking engineering and layer steel structure building. 2. Design, production, and installation of heavy-steel structure merits and prospects of steel structure and modular house. As a green and environment-friendly product, steel structure possesses various merits such as light self-weight, high strength, anti-seismic performance ...