Founded in 2004BAIYILUN TRV CO., LTD. is a leading manufacturer and supplier of thermostatic valves. We specialize in constant temperature control valves used in pressure temperature regulators found throughout commercial and residential heating and hot water systems. Our valves are automatic constant temperature controlled and do not require exterior energy to maintain indoor temperature. Our products are designed to save you energy, while protecting the environment. brbrOur sincere commitment to quality products and technological development has helped propel BAIYILUN into the forefront of thermostatic valve manufacture and supply. Coupled with our philosophy that honesty and loyalty are keys to complete customer satisfaction> when you purchase a thermostatic valve from BAIYILUN you are purchasing the product of a deep commitment to quality.