Industrial composite hoses are resistant to oil chemicals in expensive, high temperature, flammable, explosive, corrosive, polluting liquids or gases. Whether it is corrosive sulfuric acid, nitric acid, flammable and explosive solvents, composite hoses have excellent performance. Composite hose by a variety of materials multi-layer sealing structure, in the harshest environment still by better rupture and leakage resistance, will not suddenly burst, can easily handle gasoline, diesel, crude oil, and a variety of chemical liquid transmission work, even in cold weather can still maintain high flexibility.