LF Main business projects: 1. Professionally undertake various bolted ball space frame projects and bolt ball space frame rod processing (such as: workshop space frames, dry coal shed space frames, gas station space frames, windshield wall space frames, lighting space frame roof space frames, Gymnasium space frame, wind and rain playground space frame, etc.) 2. Supply all kinds of high-quality bolt ball space frame accessories (rods, bolt balls, welding balls, high-strength bolts, nuts, sealing plates, cone heads, etc.). 3. Bolted ball space frames, welded ball space frames, stainless steel space frames, full-process design, production and installation services. 4. Surface treatment of bolted ball space frame: shot blasting, sand blasting, rust removal, zinc spraying, aluminum spraying, plastic spraying and other anti-corrosion processes. 5. To undertake the construction of domestic and foreign industrial plants, exhibition halls, supermarkets, gymnasiums, airport terminals, warehouses.