... 4.alumininum, stainless steel,etc Precision Machining Materials: Optional stainless steel, copper, steel, and aluminum Precision machining partsMaterials: can be stainless steel ... Weight: from 0.2 to 60kg Machining: CNC turning, milling, CNC milling, CNC drilling, and CNC boring Can provide various sizes and ... manufacturing process by adding casting, forging, and machining cnc machining parts aluminum