Jining KeLi Photoelectronic Industrial Co.,Ltd. belongs to Laser Research Institute of Shandong Academy of Sciences. We dedicated to research, promotion and application of photoelectronic protecting technology since 1990s. SDKELI is a professional manufacturer of photoelectronic safety protection products, and the leader of photoelectronic safety technology in China. It is the leader unit of Electro-sensitive Equipment of National Technical Committee on Electrical Systems of Industrial Machinery of Standardization Administration. And SDKELI is the standard drafting team of GB4584-2007, GB/T19436.1, and GB/T19436.2. It is Shandong Technology Research Center for Photoelectronic Detection Security Control Project. Leading products include photoelectric safety devices (safety light curtains), safety relay modules and Laser Safety Devices for bending machine, which are mainly used in metal forming machinery, pressure machines and bending machines to protect personal safety. Our products have been listed as the excellent promotion program of work safety scientific and technological achievements by State Administration of Work Safety. Our quality system had been certified to ISO9001:1994 in 1998 and ISO9001:2008 in 2010. KS06 photoelectric safety devices have been awarded Safety Certificate IV, T4 series security light curtains have been certified to EU TUV, and laser safety devices for bending machine have been certified to SAFENET Safety IV Certification. [Safety Maintenance, Improvement, Customer Satisfaction, Success by Quality" is the quality policy that the company pursues all the time, we will strive to provide more excellent products and quality services for customers.