Shanghai Joysun Machinery & Electric Equipment Manufacture Co., Ltd. is a high-tech enterprise located in Pudong, Shanghai, specializing in vacuum pump technologies and equipment. Known for their oil-lubricated rotary vane vacuum pumps, Roots pumps, and screw pumps, the company integrates German technology to ensure high performance. They serve customers across multiple industries globally, particularly in Southeast Asia, Africa, and the Middle East, and are recognized for their product quality and timely after-sales service.