... brass 3.process : Machining by cold pressure die-casting machine 4.surface treatment : sand-blasting,polishing ,powder coat or ... the molten metal. The hot chamber process is used for metals of low melting point and high fluidity ... mould engraving machine, CNC forming machine CNC turning, EDM, Linear cutting machine, Die spotting machine(200T), Die casting machine, Lathe, Grinding machine; CMM, ...