chain links for double chain scraper conveyer in coal mine
Material | 55CrSi,60Si2Mn,60Si2MnA |
Finish | Smooth |
Colors | Black or yellow |
chain guard Technique | Forging |
Surface Hardness | HRC52-58,deepth:8mm-12mm |
Warranty time | 2000 hour |
Certification | ISO9001-2008 |
FOB Price | FOB Xiamen USD 30-300/Piece |
MOQ | 30piece |
Delivery Time | Within 20-30 days after contract established |