The metal hose produced by the company refers to the GB/T14525-1999 standard, which has the characteristics of light quality, corrosion resistance, fatigue resistance, high pressure bearing, good flexibility and so on. And the system for non standard metal hose joints such as thread and multilayer nets, quick connector etc.. Corrugated compensator, also called expansion joint, is designed according to American EJMA, ASME and China GB/T12777-1999 standard. The product has compact structure, strong bearing capacity, large amount of compensation, and can withstand axial, lateral and angular displacement, and has the function of noise reduction and vibration reduction.