Changsha Roots blower in the development process of more than sixty years, not only in their own manufacturing experience has been developed, but also combined with advanced production technology from abroad. Some people say, surprisingly, Changsha Roots Blower Factory is the most advanced Roots fan manufacturer in the country, why do we still need to use foreign technology. In fact, we have to admit that some technology in foreign countries, it is indeed to lead with us, such as foreign lathe grinding technology, grinding out the parts than the domestic is indeed more precise, high precision. However, Changsha Roots Blower Factory, the master of the barbarians to control the barbarians, in recent years, absorbed Germany, Italy, Japan and many other outstanding Roots fan production technology, and technology and their own practical combination of research and development of new products. For example, S-type Roots blower is an example, S-type Roots blower electromechanical integration of intelligent units set of Roots blower, motor, intelligent monitoring and control of the start-up cabinet, acoustic enclosure, no-load pneumatic valves, pressure relief valves, check valves, vibration dampers, elastic joints are equal to the integration of high-efficiency, environmentally friendly, energy saving, compact structure, beautiful appearance, easy to install and operate, automation and high degree of characteristics. Changsha Roots Blower Factory has been making progress in research and development, and there will be better Roots Blower coming out in the future.