- Timing Pulley
- 2016-11-03 21:21
- The material of timing pulley have general by steel, aluminum alloy, cast iron, brass. The surface treatment of timing p
- Gears
- 2016-10-25 02:47
- 1. Material of worm gear: C3604, CuZn39Pb3, C36000, C3602 etc. Which conform to European RoHS requirements2. Material SG