Our company was restructured in 1999, and the name was changed from “Qingzhou Sanhe Temperature Equipment Factory” to “Qingzhou Sanhe Machinery Co., Ltd. We are the professional manufacture of ventilation, cooling equipment in Asia areas. After over ten years development our products cover 60 series over 200 varieties of specification. What&＃039;s more we have obtained many titles such as "China ten top brand fan" "AAA level of National quality fan" "honesty and Qualitative Enterprise" .Our company strictly executes quality standard, and has passed ISO9001:2008 international quality system certification, and all the procedures follow standards strictly or according to the customers to produce and test. Nowadays our product have passed "CE" and "CCC" certificates. With yearly output of our company is 60 thousands sets in ventilation series, 2.6 thousand sets in heating/drying series, Sanhe has developed into a famous enterprise wit excellent management, standard operation