- track roller bottom rollers
- 2016-11-05 08:29
- Specifications:1.Wheel body Material:40Mn2,surface hardness HRC52-60,hardeness depth 8-20mm2.Technique：forging3.color：
- bulldozer segment sprocket
- 2016-10-25 03:15
- Specifications:1.Wheel body Material:40Mn2,surface hardness HRC52-60,hardeness depth 8-20mm2.Technique：forging3.color：