DICHENG DSR Series Roots Blowers adopts the advanced technology of Japan, its air capacity is 0.3m3/min-272m3/min, the pressure is from 9.8Kpa to 98Kpa. The main characteristic of our air blower is small volume, light weight, flow strong, noise small, steadily reliable operation. This air blower is mainly applied to such trades as water treatment, air transport, mine, vacuum packaging, aquaculture and etc. Our products export to Southeast Asia, Europe, North and South America and etc.