Jinan Huadong Blower is a professional 2-lobe & 3-lobe roots blower manufacturer. More than 200 kinds available for capacities 0.6~824.6m3/min., pressure for 9.8-K pa. We have introduce new and excellent technology coupled with advanced production equipment and strict means of testing. For your assurance, our factory has passed the verification of ISO 9001:2000.If you are interested in our products and services, send us an inquiry today