"Waterproof Cooling Fan" design and production of home air purifier cooling fans, circuit portion uses the industry standard communication design, box fan blades with high precision injection molds, thus ensuring high-precision products, so that "Waterproof Cooling Fan" quieter, longer life, greater air flow, more reliable, in order to meet customers' fan IP55, IP68 waterproof rating requirements, "Waterproof Cooling Fan" with a new technology, cooling fan motors with full motor assembly potting be underwater \ saline \ oil \ corrosive environment year round work,