... parts 2) tooling, stamping, drawing, machining, welding, assembly in house CompanyHangzhou Sida Machinery& Electronics ... Co., LtdMain BusinessStamping, Deep Drawn, Fabrication, Welding, MachiningProcessed MaterialStainless steel, Cold plate, Brass,Bronze, ... punches/day CertificateISO9001:2000;GS;CE; GBAdvantagesTooling, stamping, drawing, machining, welding, surface treatment and assembly, ...