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Shandong Haifude Machinery Co.,Ltd. was founded in 2001 and is the sub-company of Agri-Star Group. It is seated in Zhangqiu District, Jinan City, Shandong province. It is a mixed ownership company, in which state-owned shares prevail. It specially designs, researches, develops and manufactures tri-lobe roots blower. It is the Blower Institute of Zhangqiu District,Jinan.

The company is the ISO9001 quality management system certification enterprise and the member unit of blower branch of China General Machinery Industry Association, has taken part in drawing up the industry standard of Roots Blower for General Purpose and Minimum Allowable Values of Energy Efficiency and Energy Efficiency Grades for Roots Blower for General Purpose. The product has been awarded 12 gold prizes and 5 silver prizes of China International Fluid Machinery Exhibition and is listed as one of 12 enterprises of mainly manufacturing roots blowers in the country by China Blower Association.

The company has had more than 20 national patent technology owned by itself and has had deep cooperation with colleges and universities, such as Xi’an Jiaotong University, QI’lu University of Technology and Shandong University of Technology. Now it has had the product series of HSR, MD(K), MJ,HG, negative pressure blowers,etc. as well as special products, including double connection in series,single-stage high pressure and stainless steel blowers. Besides, it can research and develop the personalized products according to customers’ requirements, the quality performance of which can reach the leading level in the domestic. Its products have been widely applied in many industries, such as environmental protection, power, petrochemicals, cement, mines, pneumatic transmission, grain processing and aquaculture.