Precise ring  gears

1. High precision, low noise, wear resistance, energy saving, environment protection, high efficiency and low cost.
2. High quality ensurance: electronic balance to ensure density, test equipments to ensure crushing strength , QC and PQC to ensure close tolerance and accurate dimension.

3. Design ability: Developed more than 2 thousand different models of gear ,bearing, etc. Can produce according to drawings or samples.

4. Material: bronze, iron, copper alloy etc. Different material are suitable for heavy, moderate ,light duty and speed.