Sichuan Yuantong communications limited is a company specializing in the development of optical communication products,production ,sales,and with independent right of high-tech enterprises. The company is located in the beautiful and rich "the land of abundance"-Chengdu Southwest Airport Economic Development Zone ,from the Shuangliu Airport, highway takes only a few minutes . The company occupies more than 4000 square meters ,office building area of 1200 square meters , plant construction ...