DEMAI offers a large range of hydraulic hose & fittings suitable for use on various applications across multiple industries such as Mine hydraulic support, oil field development, Applicable to engineering construction, hoisting transportation, metallurgical forging, mining equipment, ships, injection machinery, agricultural machinery, all kinds of machine tools and industrial sector mechanization,automatic hydraulic system conveying a certain pressure and temperature of the petroleum base (such as mineral oil, soluble oil, hydraulic oil, fuel oil, lubricating oil), water-based liquid (such as emulsion, oil-water emulsion, water) and liquid transmission.flange of the customer's pipe.