Time-delay faucets for public facilities are widely used in urban public toilets, government office buildings, public washing areas in scenic spots and other places. The structure needs to be frost-proof, rust-proof and easy to operate. Chinese faucet factories can provide copper and stainless steel shell structures. The products are treated with rust-proof spraying and wear-resistant electroplating. The water delay is accurate and maintenance is simple. It supports the supply of complete installation accessories. It is the preferred product for bulk purchases of municipal engineering and public construction projects.