1.Overpressure, Pulse Superior Performance, Combined Tube Tight. 2.the Tube Is Light and Easy to Carry; Small Fluid Resistance, the Volume Expansion Is Small, Does Not Affect the Pressure. 3.Softness Good, Good Flexibility, Under High Pressure Can Still Be Easily Pulled, Not Puckered. 4.Inner Conductive Strip Sandwich to Prevent Leakage, Machine Damage and Other Ways, Increase the Safety Factor. 5.the Pressure Compensation Is Adjusted Slowly During Operation in Order to Avoid a Sudden Increase in Pressure in the Pipe.