Shandong Haifude Machinery Co., Ltd, established in March 2001, is a professional manufacturer of roots blower with registered capital of 10 million RMB. We have been always insisting on technology innovation, after introduced into advanced USA and Japan technology, Haifude brand roots blower is produced by adopting advanced design methods and using excellent processing equipment, it is tested by perfect detection system. Now, we have developed various types blower such as HSR, MJ intensive, MD(K) high pressure and HSG high pressure... [detailed]