Qingzhou Sanhe Machinery Co., Ltd the professional manufacturer of ventilation, cooling equipment, humidification and heating equipments in Asia area. It is a high-tech enterprise which has a completed set of specialized designing, manufacturing, installation, sales and after-sale service. We have gotten many titles such as "China Ten Top Brands Fan" "AAA level of National Quality Company" "Honesty and Qualitative Enterprise". The company strictly executes quality standard, and has passed ISO9001:2008 international quality system certification, and all procedures are under strict standards or according to the customers to produce and test. Our company is located in Qingzhou, Shandong Province, a developing city with long history. The factory occupied 30, 000�£ï¿½�¡ and the workshop area is 15, 000�£ï¿½�¡. We have an efficient team containing more than 300 workers. There are 60 engineers and 6 advanced engineers. Company has strong technology strength, and has established long-term close cooperation with Nanjing University, Xi�¢ï¿½ï¿½an Jiaotong University, Shanghai University of technology, Huazhong University of Science and some other domestic institutions, which have created good platform for the company�¢ï¿½ï¿½s technological innovation, product research and development. In present, company has the products of poultry fan, negative pressure fan, exhaust fan, gardening fan, circulation fan, cooling pad, automatic fuel, coal, gas, electric heater, dryer which contains 60 series over 200 varieties of specifications. With yearly output of 60 thousands sets in ventilation series, 2.6 thousands sets in heating/drying series. SANHE has developed into a famous enterprise with excellent management, standard operation. Our products are widely used in agriculture and industry�¢ï¿½ï¿½s ventilation , cooling system and heating system. Application for: animal husbandry, poultry house, livestock breeding, flowers and plants, greenhouse, factory workshop, textile, chemical, medicine, tea, vegetable storage and supermarket. Nowadays, our products have passed �¢ï¿½ï¿½CE�¢ï¿½ï¿½ and �¢ï¿½ï¿½CCC�¢ï¿½ï¿½ certificates. In the condition of no national standard and local standard, we are the sole exhaust fan manufacturing company which formulated the enterprise standard and approved by government. The company has set up more than 200 sales branches in more than 20 provinces of the country, and the products have been exported to countries and regions such as Asia, Europe, America, Australia and so on.