April 24-29, 2011, Koon's executive director HANS Xie participated in the national highway construction changsha meeting in Huatian Grand Hotel ,during which Hans provided the Solar wireless telephone solution aim at the Hunan highway call system.Meantime,HANS
During the Asian Games in Guangzhou，we provides emergency customer service calls and passengers help system to the Guangzhou Metro Corporation which give passengers greatly facilitates finish many tasks successfully.
