Ningbo Ladson High-tech Rail Material Co;Ltd has stable operation and efficient development more than ten years,now Ladson focuses on solving waterproof problems of constructional engineering.Ladson has developing for new techniques and production equipment, which has a series of polymer production line,PE waterproofing sheets production line and plastic sleeper production line. Ladson operates with Beijing Chemical University to inventing high speed rail sliding layer geomembrane.Ladson also insisted produce eco-friendly sheets and sleepers. Ladson obtains engineering technology center and formed a research and development team.