... steel 2. process: stamp and weld 3. surface:enamel 4. ISO certified 5. OEM is available Specialized in ... .Manufacturing process is punching, deep drawing, laser cutting, wire cutting, CNC machining, bending, welding and assembling.Surface ... pressure test report, etc. Has ablity to help with customer design and deveop new project.We could make ... making if samples only. steel stamping grate with enamel