... Profile:Donllin Industryis a specialized company in producing stamping part, welding part, metal sheet fabrication and stamping tooling ... Prompt delivery4. Customer-orientated design5. Perfect Surface, smoothness, no burrs and impurities.6. Material:SPCC, SGCC, Stainless ... Product range: sheet metal fabrication, auto parts, motorcycle part, construction hardware, metal cabinet, equipment’s shell etc ...