Engineers reinvent the 5,000-year-old gear using fluids instead of solid teeth.

The film *Spinning Levers* explores the fundamental mechanics of levers and gears, illustrating their role in various everyday applications and in the complex workings of a car’s transmission.

JIADING, SHANGHAI, CHINA, January 7, 2026 /EINPresswire.com/ — Shanghai Trustech Technology Development Co., Ltd. has responded to the rising global demand for high ...

2. Trustech’s Leadership in Industrial Spinning I. Interdisciplinary Integration of Spinning Machine Components Reliability is central to spinning machine operation, and Trustech stands out as a top ...