... .4)Corresion test(Acidity)24hours.5)OEM and customer's design are also welcome.6)Function :for hot and cold water ... Faucet,Bath Faucet,Shower Mixer,Bathtub Faucet,Bathroom Faucet,Sink Faucet,Bath Mixer,Plastic Tap,Lavatory Faucet,Bidet Faucet,Water Tap,Bathtub Mixer, Auotomatic faucet, thermostatic faucet,etc. Vertical sink tap Fashion ...