welding assembly 1.Welding 2.Material:as your request 3.Processing: welding,stamping,punching 4.competitive price Metal structure:- 1. Material: carbon steel, stainless steel, aluminum, alloys. 2. Workmanship for manufacturing: CNC cutting--CNC bending--CNC turning--weldingPrimary Competitive Advantages- 1. We, a china factory, supply all kinds of metal processing, such as cutting, bending, ...