Founded in 1987 and headquartered in Beijing, China Opto-Electro Industries Co., Ltd. (Abbreviated as OEC), the earliest and the largest leading optical company group in China, has made remarkable contributions to the development of China's optical industry for twenty years. OEC has controlled more than twenty Chinese large optical manufacturers and has established long-term strategic cooperation relationship with lots of partners. In addition, OEC has developed other industrial fields like Mineral Resources, Printing Industry and has enjoyed highly popularity in world market. With its innovative technologies, superior manufacturing capabilities, high quality human resources and efficient performances, OEC dedicates to providing our global clients with the premium products and first-class services...