... to install and repair 4Reducing tyre maintenance SpecificationsTyre protection chain for SDLG,CAT,VOLVO,DOOSAN,HYUNDAI,CHENGGONG-CG,LIUGONG,XCMG,XGMA ... ,LONKING-LONGGONG,SHANTUI,SEM wheel loader Work hoursGranite,Quartzite Porphyry,Rhyolite2000~3000hourAndesite ,Diorite,Porphyry2000~3200hourSynite,syeniteporphyry ...