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Ningbo Lisheng High-tech Track Material Co., Ltd. has been operating steadily and developing efficiently for more than ten years, focusing on solving waterproof problems in construction projects. Ladson is constantly developing new technologies and production equipment, and has a series of polymer production lines, PE waterproof board production lines and plastic sleeper production lines. Ladson cooperated with Beijing University of Chemical Technology to invent high-speed rail sliding layer geomembrane. Ladson also insists on producing eco-friendly sheets and sleepers. Ladson acquired an engineering technology center and formed a research and development team.