Aluminum CNC Machining Phone, Factory, Quotation, Which is the Best [Suzhou Borate Metal Material Co., Ltd.] [Manufacturing Process]: The process of aluminum alloy CNC machining is generally carried out by CNC machining centers (3-axis, 4-axis, 5-axis) precision engraving machines on aluminum materials (6061, 6063, 7075, etc.), with many products requiring subsequent surface finishing processes such as sandblasting anodizing treatment, surface powder coating, electrocoating, and so on.