High-pressure hose: used for conveying petroleum-based (such as mineral oil, soluble oil, hydraulic oil, fuel oil and lubricating oil) and water-based liquids (such as emulsion, oil-water emulsion and water) with certain pressure and temperature in mechanized and automatic hydraulic systems of mine hydraulic supports, oilfield development, engineering construction, lifting and transportation, metallurgical forging, mining equipment, ships, injection molding machines, agricultural machinery, various machine tools and various industrial departments.