- Over 90% of Korea faucet manufacturer use our Hydraulic Gravity Die Casting machine and most of Educational Institution select our machine as educational equipment. By this know-how, we start to produce One-Hole Type Faucet. We have Bath/Shower Mixer, Sink Mixer, Washbasin Mixer and Bidet Mixer. You can find beautiful and economical Faucet in our Home Page.www.sinil.co.kr