DONGGUAN HUITONG ELECTRONIC CO. LTD. Hui Tong Electronic Co., Ltd Established in 2000,which lies in DongGuan city, China,Our products include all kinds of cooling fan,dc blower,cpu cooler,ac fan,dc brushless fan,fan guard and more,from its designing, developing, producing to selling.The operating voltages of our fans from 5VDC to 48VDC,110VAC to 380VAC. Most of our products are adopted with accessories for Personal Computer & Related applications to other functional subassemblies for home appliance,AV products, and other products which need better cooling,dehumidifying, and deodorizing capability.All of our productors have been approvaled by UL & CE & TUV and etc.