Greentech International (Zhangqiu) Co., Ltd.
As an expert in air systems, Greentech has become one of most successful suppliers of blower and vacuum pump in China with more than 15 years experience in R&D and marketing. We have an extensive team of engineers to provide technical back up to all clients as well as a large manufacturing base for blower and vacuum pump. Our products range from Roots Blowers (also call PD blower), Side Channel Blowers (also call ring blower or regenerative blower), Vacuum Pumps (liquid ring vacuum pump)
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Applying ternary theory design with high efficiency of 82% Maximim pressure：130mbar~750mbar， Maximim Air flow：80- 2,700 cubic meters per hour Geared Turbo Blower talks about its Applications
MC Series RR Roots Blower is an efficient blower product with advanced level in the world, which is developed by importing American technology.Blower performance is optimized by applying fluid-analysis technology and its polytropic efficiency up to 78%.
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Leading in Excellence and Innovativeness
Learn why the 2RB 1AC ring blower is valued for system compatibility, flexible installation, and balanced performance in modern industrial applications.
The 4RB 3AC series ring blower offers stable performance, low noise, and reliable operation for well-matched industrial air systems.
4RB1AC side channel blowers provide clean, stable airflow for wastewater treatment, automation, packaging, and industrial applications.
The 2RB 1AC series side channel blower delivers continuous, high-pressure air with durable motor and low maintenance—perfect for industrial vacuum, packaging, and automation.
Learn how to choose the right ring blower for your industry with this simple guide covering pressure, flow, speed, and real-world applications.
