We've been designing and manufacturing air blower for 17 years since 2007. Located in Shandong, China, We supply 3 lobes roots blower/vacuum pump, air bearing turbo blower and also rotary vane type blower etc., applying in wastewater treatment, cement factory etc., providing air for the aeration of water. What we can offer: 1, High precision. Equipped with HMC and CNC machine, all the critical components of the blower are produced quickly and accurately under ISO9001 standard. 2, Stock. Regular models are stocked and customized orders only needs 5-7 days to finish. During 3 years covid, we try our best to cut down production time to help our client get quick capital turnover. 3, Less repair. Every set will be under a run-test at least 12 hours under max pressure. It is EVERY SET, not sampling check. Avoiding any sudden situation may happen when clients receive the blower.