1).Press Fitting for Pex-Al-Pex Pipe 2).Forged Brass Material 3).Certificate:ISO9001 4).Size:16mm,20mm, ... .Brass body material can be CW617N, CW602N, Hpb59-1, Hpb58-2, Hpb58-3, etc;brass body superficial treatment can be tin ... different sections according to diferent product-----heating these sections in intermediate frequency furnace-----hot stamping-----cutting burr-----shot blast and shot ...