... cooktop brass,aluminium and iron parts are produced by casting,forging,ect. gas burner cap,burner head,cooker cap, ... 001MATERIAL: brass 59(alloy), aluminium, enamel ironBASIC PROCESS: hot forging, die casting, CNC, machining, shotblastFINISHING: enamel, shotblast,polishing etcEPECIFICATION: ... paint to 600/ 1112,no peelingwith 24hours continuouly of 500/ 932Senior standard for high level market We ...