Detailed Product Description steel ringOEM service avalibeCertification: ISO 9001:2000Standard: JIS, DIN, ISO, GB, BS, ASTMMaterial:aluminium, brass, bronze, steel,stainless steel, gray iron, carbon steel, aluminum, alloy steel, etc.Size:1" to up request.Weight: from 0.2 kg to 60kg.Surface finished:sub-treatment, anodize,surface polish, heat-treat,vibtation,etc.We can offer the service:CNC ...