Changzhou qianhang gearbox manufacturing co.，LTD. Was established in 1998, is a specialized enterprise which integrates the r&d, production and sales of gearbox and transmission parts. The company has a group of high-quality professional technical personnel, adopting advanced testing equipment and means, established the iso9001:2000 quality management system.

ZLYJ single-screw extruder gearbox | SZ cone double screw extruder gearbox | F、R、S、K series reducers | Cycloidal needle wheel reducer | Chemical reducer series |