Suzhou Tiejin Science & Technology Corp. Ltd

Established in 2012, STT is a premier Chinese manufacturer specializing in high-precision miniature ball bearings, distinguished as the first domestic enterprise to achieve mass production of micro and ultra-miniature bearings. Operating under a rigorous corporate management style, STT is dedicated to delivering superior product quality with industry-leading lead times, supported by direct access to a specialized technical team. The company’s extensive portfolio features over 300 types of miniature ball bearings, including deep groove, four-point contact, flexible, and angular contact types. In addition to its core bearing products, STT provides advanced motion control solutions such as F16/12mm cycloidal drives and F10mm harmonic gearboxes, with high-performance actuators currently in development to meet the evolving demands of the global precision industry.