Qingzhou Sanhe Machinery Co., Ltd is the professional manufacturer of ventilation, cooling equipment, humidification and heating equipments .It is a high-tech enterprise which has a completed set of specialized designing, manufacturing, installation, sales and after-sale services. We have gotten many titles such as "China Ten Top Brands Fan" "AAA Levels of National Quality Company" " Honesty and Qualitative Enterprise".The company strictly executes quality standard , and has passed ISO9001:2008 ...   |