model: 58Y01 two handle bath-shower mixer model: 58Y011) body make of 59% A standard brass, zinc alloy lever, 35mm ceramic cartridge2) polished chrome finish3) whole series includes: basin mixer, shower mixer and bath mixer4) corrosion test (neutral):120 hours5) cartridge lifetime: no leakage after 200,000 cycles6) provide OEM and ODM services bath-shower faucet