... Wood, Plywood, Ceiling, etc. Yuankang Woodworking Machine 1.Product Introduction Yuankang Woodworking Machine, a series of sanders that invented and produced ... , our new invention of Adjustable Inside Corner Rubbing Machine can permit an easy polishing way of the internal ... Shaft: M8 Title PowerWeight Revolving SpeedSander 380W 1.7kg3100 turn/minSuction Machine 120W 2.8kg7000 turn/minTotal 4.5kg PS ...