Where the stem (Shanghai) Trading Co., Ltd is a comprehensive solution provider focusing on compressed air systems. Our core business includes sales of air compressors, vacuum pumps, oil-free compressors, air post-treatment equipment, piston compressors, and compressor accessories. We have maintained a leading position in the permanent magnet screw machine field nationwide, ranking first in the MIIT 'Energy Efficiency Star' list for four consecutive years from 2018 to 2021.

The company has a professional CAE and CFD technical team with over 100 R&D personnel, accounting for 15% of the total workforce. With strong R&D capabilities and excellent personnel quality, equipped with advanced testing equipment and supported by a scientific management system, we continuously drive technological innovation and product upgrades.

In terms of market layout and service network, our products and services cover globally, with over 1 million devices operating in more than 40 countries. We have established 800+ distribution points worldwide, providing professional services to users in 40+ countries. Domestically, we have built 500+ service points, committing to reach user sites within 24 hours for maintenance services, with the fastest response time of 0.5 hours, ensuring service response efficiency.