... 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,Iron, copper, Aluminum,( ... GS;CE; GBAdvantagesTooling, stamping, drawing, machining, welding, surface treatment and assembly, we offer one-stop solution ...