Blower sales center in Tianjin 's main products are Roots blowers, fans, centrifugal blowers, vacuum pumps, low-pressure centrifugal fan, high pressure centrifugal fan, axial fan, Francis fan, cylindrical centrifugal fan, induced wind chassis , tunnel fans, air separation equipment, etc. These products are widely used in construction, chemical, cement, tobacco, transportation tunnels, electric power generation and other applications in 1980 began to implement a comprehensive quality management, has formed a set of effective Tiangu characteristics of the quality system and has access to Tianjin, the Ministry of Machinery quality Management Award, for many years 'contract and keeping promises' honor unit, the National General Machinery industry hundred enterprises and other economic benefits .