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Jining Keli Photoelectronic Industrial Co., Ltd. belongs to Laser Research Institute of Shandong Academy of Sciences. We have been dedicated to the research, promotion and application of photoelectronic protecting technology since 1990s. We are a professional manufacturer of photoelectric safety protection products and a leader of photoelectronic safety technology in China.We have GB4584-2007, GB/T19436.1 and GB/T19436.2 certifications.We are the leading unit of Electro-sensitive of National Technical Committee on Electrical Systems of Industrial Machinery of Standardization Administration and Shandong Technology Research Center for Photoelectric Detection Security Control Project.