Guangdong Shunde O.S.B. Environmental Technology Co., Ltd., located in Shunde Foshan, which was established in 1999, with 22+years rich experience in manufacturing and exporting air to water heat pump and ground / water source heat pump products. O.S.B. dedicate to provide the highest quality of service and most demanding products available in the latest market, can provide OEM and ODM service according to your needs.