35 Retail store services featuring polishing machines used to polish a surface of ball screws and nuts, crankshafts, camshafts, rotors used for electric motors, LCD panels, printed circuit boards, semiconductor wafers, optical fibers, optical prisms, and optical lenses using a polishing tape; Wholesale store services featuring polishing machines used to polish a surface of ball screws and nuts, crankshafts, camshafts, rotors used for electric motors, LCD panels, printed circuit boards, semiconductor wafers, optical fibers, optical prisms, and optical lenses using a polishing tape; Retail store services featuring sharpening machines used to sharpen blades, drill bits, end mills, and milling cutters using a polishing tape; Wholesale store services featuring sharpening machines used to sharpen blades, drill bits, end mills, and milling cutters using a polishing tape; Retail store services featuring machines using polishing tools and grinding tools other than polishing tape for polishing and grinding a surface of ball screws and nuts, crankshafts, camshafts, rotors used for electric motors, LCD panels, printed circuit boards, semiconductor wafers, optical fibers, optical prisms, and optical lenses; Wholesale store services featuring machines using polishing tools and grinding tools other than polishing tape for polishing and grinding a surface of ball screws and nuts, crankshafts, camshafts, rotors used for electric motors, LCD panels, printed circuit boards, semiconductor wafers, optical fibers, optical prisms, and optical lenses; Retail store services featuring metalworking machines; Wholesale store services featuring metalworking machines; Providing information concerning commercial sales