The solution of the waterproof telephone for JIANGXI COPPER INDUSTRY GROUP CO

       
      May ,our waterproof telephone was designated purchase by the the project owner ,because of the durable using ,scientific and reasonable design  and timely client review .Otherwise ,our customers range expanded to :Yunnan copper (group) Co., LTD, ZIJIN MINING GROUP CO.,LTD ,Tibet mining development Co., LTD,Shandong gold mining stock Co., LTD,Hunan nonferrous metal group,Shenhua Energy,Hubei daye non-ferrous metal group And so on.