... 1 OEM/ ODM manufacturer 2 Customized service 3 aluminum welding part 4 Competitive price 5 Rich experiences We are professional and ... , drilling, turning, milling, stamping, stretching, welding, forging, cutting, riveting, grinding, tapping, extrusion, mold design and processing, die casting, sheet ... or No. 6061 is the principal alloy supplied by the clients. Typical chemical composition (GB/T3190) ...