Shijia insists on concept of technology-leading and open cooperation, so our R&D team carries out extensive exchanges and cooperation with well-known enterprises and research institutes, and has participated in the OFC in the United States, ECOC in Europe and International Optoelectronic Exposition (CIOE) in Shenzhen China over the years, which deepens our cooperation with domestic and foreign counterparts, and help us to rapidly grasp the direction of technology development at home and abroad.