Polishing machine castings, machine tools, parts, abrasives, steel plates, motors, bearings, lubricants, wrenches, tools, gloves, water tanks, grinding wheels, welding electrodes, respectively
Polishing machines, castings, abrasives, steel plates, motors, water tanks are the manufacturing subjects
Machine tool parts, bearings, lubricating oil, wrenches, tools, gloves, grinding wheel, welding rod are the subjects of production, maintenance and auxiliary management.
Raw materials are: abrasive, steel plateThe rest are turnover materials
