... in metal sheet parts 2) tooling, stamping, drawing, machining, welding, assembly in house CompanyHangzhou Sida Machinery& Electronics Co., LtdMain BusinessStamping, Deep Drawn, Fabrication ... ; GBAdvantagesTooling, stamping, drawing, machining, welding, surface treatment and assembly, we offer one-stop solution and best servicesNon-standard/standard/OEM/ODM ...