... aluminum profile needs; we provide secondary operationsWelding:MIG Welding,TIG Welding,Spot Welding,Laser Welding for Different materials. Assembling:assembly lines for ... :Include plating of Ni,Cr3+,Zn-Ni,Dacromet,No chrome dacromet,silver-Plated,tin,Gold-plated and so ... on,in full compliance with ROHS requirements and gas nitrided. Plastic Injection:We also provide plastic injection processing ...