Qingzhou Yongsheng Machinery Co., Ltd is located in Qingzhou city,Website:http://www.qzys-exhaustfan.com, Shandong Province, a developing city with long history. It covers an area of 20,000 square meters, and workshop is 10,000 square meters. We have an efficient team containing more than 100 workers, including 8 advanced engineers. We have a specialized technology team in Shanghai City, which can design and install poultry house independently. Our main products are exhaust fan, cooling pad, roof fan, air heater, poultry equipment, etc. As a high-tech enterprise with more than 20 years’ experience, we combine professional design, production, marketing and installation all together. Ou ... more