The hydraulic hose has the functions of resisting high pressure, low expansion, high endurance, low temperature and high temperature resistance as well as wear resistance and chemical acid-base corrosion resistance. The hydraulic hose conforms to SAE, DIN, ISO and MSHA standards; it is mainly used in automobile, agriculture, industry, railway, refrigeration and aviation applications. High pressure hydraulic oil hose covers hydraulic engineering machinery , coal mine hydraulic holders etc.