Runxin faucet adopts plastic instead of cooper, faucet body uses POM engineering plastic material, core material is ceramic, rotate 90° to open and close, 100% faucets have been tested by water and air. Pass 100 thousand times of circle pressure test could be used under -40℃ to 100℃ environment. Stable size, high gloss, strong body, wearing resistance, low water absorption, excellent quality, environment and healthy. Runxin faucet is your good choice for safety live of lead free.