... head/ cooktop brass,aluminium and iron parts are produced by casting,forging,ect. gas burner cap,burner head,cooker cap,cooktopITEM ... : brass 59(alloy), aluminium, enamel ironBASIC PROCESS: hot forging, die casting, CNC, machining, shotblastFINISHING: enamel, shotblast,polishing etcEPECIFICATION: φ154×40,φ124×32, φ ... burner cover41.50iron hot selling brass and aluminum die casting gas burner cap