gas burner cap/ burner head/ cooktop brass,aluminium and iron parts are produced by casting,forging,ect. gas burner cap, ... (series)NUMBER: WK-001MATERIAL: brass 59(alloy), aluminium, enamel ironBASIC PROCESS: hot forging, die casting, CNC, machining, shotblastFINISHING: enamel, shotblast,polishing ...