1. Product:made in china excavator sany undercarriage parts track roller idler sprocket track chain top roller bucket teeth adapter

2. Undercarriage parts technology

   Undercarriage parts
   	Track roller	Carrier roller	Sprocket	Idler	Track Chain
   Material	50Mn	50Mn / steel rod	40Mn	40Mn	40Mn2 / 35MnB
   Hardness	HRC 50-55	HRC 50-55	HRC 50-55	HRC 50-55	HRC 50-55
   Color	Black or Yellow or Customized	Black or Yellow or Customized	Black or Yellow or Customized	Black or Yellow or Customized	Black or Yellow or Customized
   Warranty	6 months /12 months	6 months	6 months     / 12 months	6 months	6 months /12 months
   Heat treatment	surface /internal and external medium frequency	medium frequency / used steel rod	tooth medium frequency / whole medium frequency	medium frequency	used oil / water to heat treatment

3. Main Product:Track roller,Carrier roller, Sprocket, Segment,Idler,Track Link Assy,Track shoes, Bolt & nuts,Track bush & pin,bucket,bucket teeth,Adapters,Cutting edge and end bit,H-link rods,Link rods,Bucket ear,Round ball,Yoke,Spring,Idler Yoke,Roller Guide,Bucket bushing,Bucket pin and so on excavator and bulldozer parts.

4. Brand:Komatsu,Hitachi,Caterpillar,Kobelco,Summitomo,Hyundai, Daewoo,Volvo,Samsung,Sunward,Kato,Mitsubishi,Ihisce,yanmar,kubota, doosan, and so on.

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