- Type: Circular Gear
- Manufacturing Method: Rolling Gear
- Specification: ISO
- Toothed Portion Shape: Bevel Wheel
- Trademark: Duoling
- Origin: Jiangsu, China
This series speed reducer major drive parts are made of high-quality alloy steel. The gear reaches the precision of grade 6 after it goes through carburizing, quenching and gear grinding. It featured by high carrying capacity force, a long service life, small volume, high efficiency and low voice.