Hebei Fushuo is one of the famous China Rectangular Rubber Soft Connection manufacturers and Rectangular Rubber Soft Connection suppliers. Our factory specializes in manufacturing of Rubber Soft Connection. Rectangular Rubber Soft Connection The fan soft connection is mainly used in the ventilation ducts of civil and industrial buildings, and the inlet and outlet of the fan. The inlet and outlet soft connections of fans are divided into rectangular fan soft connections, circular fan soft connections, and round and round type soft connections.