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 international quality system certificaiton , and all procedures are under strict standars 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 m2 and the workshop area is 15,000 m2. We have an efficient team containing more than 300 workers .There are 60 engineers and six advanced engineers. Company has strong technology strength, and hasestablishedlong-term close cooperation with Nanjing University, Xi'an Jiaotong University, Shanghai University of Technology, Huazhong University of Science and Technology and some other domestic institutions which have created good platform for the company's technological innovation, product research and development .In present, company has the products of poultry fan, negative pressure fan, exhaust fan, green house fan, circulation fan, cooling pad, automatic fuel, coal, gas, electric heater, dryer which contains 60 series over 200 varieties of specifications. The company has been a scientific-management ,well-operating cooperation in the industry Our products are widely used in agriculture and industrys ventilationcooling 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 national CCC certification , and DJF series exhaust fan had got approved CE certificates of LVD and EMC Compliance. As the leader in this field, we are the first manufacturing company which passed the CE certification in China. 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 tens of countries and regions such as Asia, Europe, America, Australia and so on. The company sticks to the managing theory ofTake care of the customers, People oriented, Devoted and professional, Honest and keep promises, and takeBeing the biggest in the country to the biggest in the globe fields, from common to excellence as the striving goal. And work hard to become the first class international enterprise and the top brand.