Bolu electric grinder is good. The advantages of the electric grinder are mainly electric tools for grinding the inner circle. It has fast rotation speed, low noise, and small size. The large one can grind sleeve gears, and the small one can grind teeth and micro-carving. The motor is reliable and powerful. Bolu Tools Co., Ltd., a well-known brand of electric wrenches, a well-known brand of electric hammers and electric drills, a Chinese famous trademark, a Chinese famous brand, the world's leading high-level professional power tool operator, a high-tech enterprise, and the most competitive professional power tool manufacturer in China One of the businessmen.