Shandong Huadong Blower Co., Ltd, also know as "AIRUS" blower, covering a manufacturing base of 100,000 square meters, has been an integrated automated machining enterprise with professional precision machinery manufacturing experience and excellent after sales service system since 1980s. Our main products include: HDLH/HDSR/HG series three lobes roots blower(dry vacuum pump, wet vacuum pump), HDSR series gas blower, HDSR-WN series steam compressor, HDR series heavy duty roots blower(dry vacuum pump, wet vacuum pump), HMGB series turbo blower.HKB air suspension turbo blower,maglev high speed turbo air compressor. We have got ISO9001, CE, EAC certificates.Our three lobe roots blower and vacuum pump has been widely used for Sewage Treatment Plant, Aquaculture Farm, MVR Mechanical Vapor Recompression System, Biogas Power Plant, Cement Plant, Power Plant, Landfill Gas Power Plant, Gas Extraction Plant, Oil and Gas Plant, Steel Plant, Foundry Plant, Metallurgical Plant, Chemical Plant etc.Meanwhile, with material application of cast iron, SS304, SS316L and SS2205, our roots blower and vacuum pump has also been wise choice for gas boosting and vapor recompression, based on ZERO leakage by special design, complete sealing and precise machining, which guarantee us excellent in conveying special gas: Biogas, Natural Gas, Coal Gas, Semi-water Gas, Methane(CH4), Butane(C4H10), Ammonia(NH3), Carbonic Oxide(CO), Carbon Dioxide(CO2), Nitrogen(N2), Sulfur Dioxide (SO2), Hydrogen Sulfide(H2S), Hydrogen(H) etc.Relying on scientific management and advanced technology, cooperating with prestigious university and experts in blower industry, introducing the latest automated production equipment and keeping strict quality inspection before shipment for every blower, we have gained recognition and trust from our customers of various industrial sectors for stable performance. Pursuit of "Customer Supreme, Quality First", we look forward to your continuous trust and support.