1. Environmental protection: plastic polyurethane material, in line with ROHs environmental protection requirements; 2. High elasticity: Small bending radius enables PU tube to pass through tight space; 3. Anti-knot: It has better anti-knot effect than other plastic pipes; 4. Return plasticity: excellent return plasticity, can withstand repeated expansion; 5. Anti-wear: long service life, suitable for easy to wear environment; 6. Anti-leakage: the low permeability of gas reduces the problem of leakage and pollution; 7. Solubility resistance: solubility resistance is good, so it will not pollute the environment; 8. Low compression: low compression, maintain excellent physical properties; 9. Resistance: a wide range of resistance, resistance to chemicals, water, fuel, oil and bacteria.