Tianjin longhui Technology Development Co., Ltd.   

The student drinking water engineering, IC smart card student drinking machine, direct drinking water project, sub quality water supply engineering, pure water to join, filling equipment, mineral water bottling line size, household pure water machine, water purifier, RO pure water machine, water dispenser water station, coin, the coin straight drink machine, water machine, water sale station, water vending machines, vending water coin dispenser, automatic coin is pure water machine, coin pure water machine, water machine live, coin living water machine, buy water machine automatic, automatic water station...