We are manufacture , we have own factory named Hangzhou Dingben Environmental Science Co.,Ltd. We are trading company , what you need you can trust us we can help to find them for you with best price . we located in Xiaoshan, Hangzhou. Our main products are exhaust fans , air coolers , ventilation fans , cooling pads , motors , screws , and other kinds of industrial fans , water coolers , sheet metal fabrication and so on . We have an experienced and professional team. Our products are ...   |