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Ledi Laser Technology Co., Ltd. and Linglong Institute of Laser Application Technology, located in Linyi City, Shandong Province, China. Is a reliance on the old military enterprise China 9439 factory and established, specializing in the research and development and production of laser marking machine, laser cutting machine, laser engraving machine, fiber marking machine and other laser automation equipment, high-tech enterprises. The company integrates research and development, production, sales and service as a whole, and has two brands, Ledi and Linglong, and owns a number of technical patents, and the sales area covers more than 20 countries and regions at home and abroad.