Established in 1986, Yulong Xinhuan Enterprise is famous for producing close coupled liquid ring vacuum pumps. Previously named Yuhuan Vacuum Pump Factory, the company name changed to Zhejiang Xinhuan Vacuum Pump Co., Ltd in 2017. Since then, Shanghai Yulong Vacuum Pump Co., Ltd, Shanghai Yulong Xinhuan Motor Manufacturing Co., Ltd and Guangde Yulong Pump Co., Ltd were established. Shanghai company is the research, marketing and service center, Zhejiang factory and Anhui factory are the manufacturing bases.

Our brand include YHZKB, YLZKB, YLXH, YULONG. Our main products include SK, SK-A, SK-D, YLSK-F, 2SK, 2BEA, 2BEC, UNV series liquid ring vacuum pumps, YLS2S series permanent magnet frequency conversion central vacuum system, IZ, BL, YC series water pumps and various vacuum systems. 

Our company has whole set micro controlled pump performance testing system and passed ISO9001 quality management system certificate, ISO14001 environmental management system certificate and CE certificate. These pumps are widely used in plastic, medical & pharmaceutical, food, paper making, electric, coal mine, metallurgy, chemical & petrochemical industry, etc.