Shanghai Joysun Machinery & Electric Equipment Manufacture Co., Ltd. is a ISO9001 leading manufacture of vacuum pump, located in Shanghai, China. main products include X series Single stage rotary vane vacuum pump, root vacuum pump, screw vacuum pump, rotary piston pump and vacuum system project. The company adopted advanced Germany vacuum pump technology, and improve much during production. all key parts using the world‘s leading brand like MANN etc. With its high quality, steady production, easy operation, excellent and in-time after -sales service, Now, we have won favorable feedbacks from various overseas customers from such countries and areas as Mexico, United Arab Emirates, Southeast Asia, Africa, South America, and Russia, due to reliable quality and perfect service.