1.have ISO9001:2008 certification,high quality and competitive price&on-time delivery 2.Casting for main body,steel for others we can produce all XIZI fitting as samples or drawingsmaterial:mild steel ,malleable iron with hot-galvanized finishing.The clamp body is malleable iron,other fittings are hot-dip galvanized mild steel.it's mainly exported to Europe Market, North America,Latin America, ...