1)CE&ISO9001,(YQ40020) 2)40mm ceramic cartriadge, 3)ni=5um, cr=0.2um 4)Brass body, zinc handle 5)5 year Guatancee YQ40020 brass shower faucet1).Single lever Bath Mixer2).Material: Brass or Zinc alloy handle; brass body3).Polished and chrome plated4).Ceramic cartridge can open and close for 500000 times.5).Packing: bubble bag, color inner box, master box brass shower faucet(YQ40020)