1. Jining Keli Optoelectronic Industry Co., Ltd. is located in Building E2, Laser Research Institute Park, No.46 Haichuan Road, High-tech Zone, Jining City, Shandong Province. Is a company engaged in development and sales, production and sales, technical consulting services and other businesses.
2. Shandong Laien Optoelectronic Technology Co., Ltd. is located in Shanbo Road West, High-tech Zone, Jining City, Shandong Province. Is a company engaged in electronic instrument service, optical instrument service and instrument service.