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
xie held a talk with Bay field group director Dr YanDaoCheng and the senior expert advisor dr. Huang ,mainly as to the RFID application in the mine workers positioning system ，the development and utilization of coalbed methane,Coal mining area flash floods,Landslides in remote management and monitoring and Coal mining area of theft prevention remote management and monitoring.
