Sourcedoing Communications Co., Ltd was established in 2008, and is located in Shenzhen; it is a high-technology corporation which engages in manufacturing and selling all kinds of active components, passive components and network equipment in the field of optical fiber transmission, FTTH and CATV. It specializes in DFB and FP laser diodes and photodiodes, of which more than 200, 000pcs are produced per month and are used both at home and abroad.The company has good management and a unique entrepreneurial spirit, persisting in being people-oriented; and employs a number of domestic and foreign professionals. It has close cooperation with Shenzhen University. The company has leading technology and cost control advantages in device packaging by utilizing Japanese technology, introducing advanced production and testing equipment; as a result, it has truly consolidated the basis of product quality assurance.Looking ahead, we focus on high-tech fields, continue to provide excellent products and perfect service, sincerely cooperate and work together with old and new customers hand in hand.