4" Forging Metal Diamond Grinding Cup Wheel Base SHIJIAZHUANG MAITUO MANUFACTURE LIMITED Base Info Model NO.:4"Manufacturing Process:BrazingShape:Cup-ShapedBonding Agent:RubberTrademark:MTTransport Package:CartonSpecification:250MMOrigin:Hebei, China Description Pre:Big Wheel Base 400mm for Diamond Tool Grinding Next:Big Size Grinding Wheel Base for Diamond Tools