OST designed the new generation cooling products--- environment-protecting water cooler, exploring the civil field. ��Economical and applicable, the best choice for the two-career families and the working class. ��The best partner of the air-conditioner, to keep the air both cool and wet. ��The same air-conditioning efficiency, but only 1/5 cost. ��Totally settle the problems caused by he traditional air-conditioner such as drying the skin, stimulating rhinitis ��Environmental protection cooling, without Freon pollution. ��Energy-saving, more cost-effective than the traditional air-conditioner. ��Humanization design, to give you more comfortable feeling.