The disposable extruded large-diameter polyurethane flat hose produced by Jinluo is specially designed for pipeline repair and insertion, water and oil transportation. The hose has excellent wear resistance, high pressure resistance, hydrolysis resistance, UV resistance, bacterial resistance, aging resistance and kink resistance, ensuring reliability and stability in long-term use. The hoses are quickly connected through special flange joints or German-style joints, which are easy and efficient to operate, greatly improving the efficiency of pipeline repair and maintenance.