Profile: Yantai Zhengyuan Polyurethane Co., Ltd. specializes in research, production and sales of polyurethane elastomers. We can design and manufacture various products of high-precision polyurethane by good material, perfect processing and advanced formula according to customer's need. Polyurethane double spiral hose is suitable for gas delivery with general working pressure for industrial miniature automation equipments and other fields. This hose has gas permeability, wearproof and aging resistance, light weight, more efficient, and longer life.