... Electrophoresis:(silver,golden,champagne)5.Powder,polishing,Sandblasting,PVC wood,coating wood,etcTechnical ParametersGeneral chemical composition of alloy AlloySi Fe Cu ... T6Surface: mill finish, anodized, sand blasting,electrophoresis,powder coating,wood colour and etcCertification: ISO9001/14001Quality standard: GB/5237-2008Design: ... proof ,anti-oil s ound-insulation fir-resistance aluminium doors