Space frame structure is a kind of structure connected by the node of bolt ball, so the bolt ball is the key component of the structure. In GB standard, the bolt ball is made of 45# steel with the diameter of 100mm to 300mm. Normally there are 3-12 holes in the bolt ball and each axial line of the bolt hole is through the center of the ball. Jiangsu Lijing Steel Structure Technology Co., Ltd. is specialized in the spatial grid, carbon steel, stainless steel rack, welding net, dry coal shed, rack, rack accessories, light steel structure, light steel villa, solar photovoltaic stents, outdoor steel structure products such as power plant boiler steel structure engineering consulting, design, production, construction, installation and technical support services, is a collection of procurement, production, installation, trade, service in the integration of large enterprises.
