CHANGSHA BLOWER CO.,LTD.

Changsha Blower Co., Ltd. is a subsidiary of Landing-gear Advanced Manufacturing Corporation (LAMC) under Aviation Industry Corporation of China (AVIC). It is an appointed manufacturer of auxiliary equipment for national major technical equipment, a major drafting and revising entity for national and industrial standards of Roots blowers, Vice Chairman Unit of Blower Branch of China General Machinery Industry Association, and a High-tech Enterprise in Hunan Province. The company has been accredited as Hunan Provincial Fan Product Quality Supervision & Inspection Station, Hunan Provincial Enterprise Technology Center and Hunan Provincial Green Factory. The company boasts an experienced professional team covering design, manufacturing, marketing and after-sales service. It has undertaken multiple national key scientific and technological research projects and successfully completed various localization tasks assigned by the Office of Major Equipment under the State Council, Sinopec and other institutions. Up to now, it has achieved more than 110 scientific research achievements, obtained 32 patents and 3 software copyrights, and over 20 projects have won provincial and municipal Science and Technology Progress Awards and Outstanding Scientific & Technological Innovation Achievement Awards. The company specializes in complete sets of blowers and vacuum pumps under the registered trademark “Changfeng”. Its flagship products include twin-rotor positive displacement Roots blowers and screw blowers. Other product portfolio covers centrifugal fans, centrifugal blowers, high-speed magnetic levitation centrifugal blowers, as well as Roots vacuum pumps (booster pumps), screw vacuum pumps and vacuum units. Since introducing the design and manufacturing technology of Roots blowers (vacuum pumps) with the approval of the former Ministry of Foreign Trade and Economic Cooperation in 1986, the company has independently developed a series of products filling domestic technical gaps, many of which have been awarded national and provincial new product titles. Six product series have obtained CE certification, and six specifications of two series have acquired MA Coal Mine Safety Certification. “Changfeng” series products have been honored as “China’s Most Competitive Brand” and “Preferred Brand for National Key Projects”. The company has accumulated rich engineering experience and numerous typical project references in working conditions of large flow, high temperature, high pressure and high vacuum, as well as applications involving flammable, explosive, toxic and corrosive special industrial gases. Its products are widely used in national defense, petroleum, chemical industry, metallurgy, electric power, building materials, mining, environmental protection, air separation and other industries, and exported to more than 60 countries and regions worldwide.