Zhangqiu Changsheng Machinery Manufacturing Co., Ltd. was established in 2007 and has been focusing on the production of Roots blower equipment with many years of processing experience and mature technology! The main products include three blade Roots blowers, rotary fans, high-pressure blowers, Roots vacuum pumps, aerators, pneumatic conveying fans, return fans, backwashing fans, aeration blowers, etc., which are widely used in sewage treatment, pneumatic conveying, powder conveying, aquaculture and other fields. (For foreign users, please contact us by email and we will reply promptly)