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Description: CIPP (In Situ Curing) ultraviolet repair technology refers to the use of professional equipment to pull glass fiber hoses that have been ground with resin into the pipeline to be repaired from the wellhead, tie both ends of the hose, and then inject compressed air to support the hose and make it tightly adhere to the inner wall of the pipeline. Through ultraviolet irradiation, the resin is rapidly cured inside the pipeline, forming the inner lining repair technology of "pipe in pipe". After repairing the pipeline, cut off the ends of the tie heads and drain normally without manual cleaning.