The 14th China International Optoelectronics Expo (CIOE2012, hereinafter referred to as "Optical Expo" or "CIOE") in 2012 was held at the Shenzhen Convention and Exhibition Center from September 6 to 9, 2012, with a total exhibition area of 100,000 square meters and three majors Exhibition-Optical Communication and Laser Infrared Exhibition, Precision Optics Exhibition, LED Exhibition will be exhibited at the same time. The total area of the Liancheng development booth is 90 square meters. The large booth area will allow the full range of Lianchengfa's products to be fully displayed. Through this exhibition, new and old customers are familiar with Lianchengfa's LED products.