In the aerospace and aviation industry, every fraction of precision directly impacts safety and performance. Kean deeply understands this critical need. For 23 years, we've specialized in custom non-standard, high-precision gears, helping clients achieve their demands for high-accuracy, low-noise transmission systems.

In the rail transit sector, noise control and transmission reliability are paramount to passenger experience and operational efficiency. For 23 years, Kean has specialized in custom non-standard gears, helping clients worldwide achieve the smooth operation of high-speed rail, subways, and urban rail systems.

For 23 years, Kean has specialized in custom non-standard gears, with an annual production exceeding 35,000 units (Module M0.5-20, GB Grade 4 precision, compliant with DIN 4-5 / AGMA 10-12).

With 23 years of experience in custom non-standard gear manufacturing, Kean provides the construction equipment industry with highly durable and reliable transmission solutions.

Kean has specialized in custom non-standard gears for 23 years, with an annual production exceeding 35,000 units.

Kean designs & manufactures high-precision custom gear transmission parts for industrial gearboxes & reducers. Partnered with top manufacturers for over a decade, we ensure reliable performance.

Automated production lines: such as those in automotive manufacturing, food processing, and logistics sorting.