... aluminum crust,aluminium power case,aluminium housing, metal outer covering,alumnium out casing. Material; A 6063Aluminium alloy composition: ... polishing.)6,surface treatment (wire drawing, deburring, anodizing, powder coating, baking varnish,silkprint.) 7,packing. Production LineApplication RangeHeterotype ... Industry Co., Ltd. built in 1993, we covering an area of 10,000 square meters with graceful ...