... ,electric heavy duty 4,aluminum wheel multifunctional grinding machines HWG 59 could hold 12 pieces of diamond tool at a time ... % touch wall and grind corner.Advanced multifunctional grinding machines HWG 59 would not leave trace on floor. The old model usually ... *900*600mm The rotation way of multifunctional grinding machines HWG 59:The diamond tools to be chosen:The effect of grinding ...