Jonyang JY-230E Excavator Sprocket 50Mn/40Mn2 Material Perfect Performance
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Product name Excavator / Bulldozer Sprocket ,Chain Sprocket ,Drive Sprocket Material 40SiMnTi / 50Mn / 40Mn /45MN or Customized Color Yellow or Black & Customized Technique Forging or Casting Finish Smooth Hardness HRC50-56 / HRC52-58 Warranty time One ......
Xiamen Doozer Construction Machinery Co., Ltd.
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