Greentech International (Zhangqiu) Co., Ltd. is a professional manufacturer of Roots blowers with 15 years of manufacturing experience. The company has invested more than 50 million yuan. It is a comprehensive enterprise integrating scientific research, manufacturing and trade. The company is located in Zhangqiu District, Jinan City, a famous mechanical processing township in Shandong Province.

The company's GTSR series three-leaf Roots blower and Roots vacuum pump is a new high-efficiency Roots fan independently developed on the basis of extensive absorption of advanced technology at home and abroad, and has two patents for Roots fans, which has achieved obvious results in noise reduction and energy saving. In the production process, the company adopts advanced CNC machining centers, CNC gantry planers and other high-precision equipment to ensure the stability and reliability of product quality and be recognized by Everbright customers at home and abroad.

Our company's M series Roots blower technology was introduced in the United States, which is the main product of our company's main overseas market. The M series Roots blower has the advantages of high speed, high efficiency, high performance, energy saving and environmental protection and long service life, and can be completely replaced with the world's main Roots fan products. The quality has reached the world's advanced level and is an important product promoted by our company in the future.

Our products are widely used in sewage treatment, pneumatic conveying, vacuum packaging, aquaculture, grain processing, electric power, petrochemical, cement, mining, papermaking machinery, vacuum cleaning, special strange conveying and pressurization and other industries. It sells well all over the country, with sales outlets all over the country, and exported to more than 20 countries and regions such as North America, Russia, Australia, Germany, Austria, Southeast Asia and the Middle East. It has passed the ISO9001