We provide integrated heavy steel structure services from design to installation. Design covers structural calculation, BIM modeling, connection detailing and drawing review. Fabrication includes cutting, assembly, welding, straightening, drilling, surface preparation, coating, marking and packing. Installation covers site measurement, foundation inspection, lifting, alignment, high-strength bolting/welding, NDT, touch-up and handover. Full quality control and traceability ensure safety, efficiency and durability.