... Environmental Science&Technology Co.,Ltd is a manufacturer of cooling pads with well-equipped testing equipment and strong technical ... been verified. Product/Service (We Sell):Plate Heat Exchanger,Cooling Pad,Evaporative Air Cooler,Industrial Humidifier,Fresh Air Exchange Machine Product ... the motorNo.4 package No.5 coolng pad No .6 workers is assembling the cooling pad N0.7 workshop ,the goods are ...