Nowadays during the equipment bidding of LYC overall upgrading of technical projects we bought 3+1 process unit with the world cutting edge technology which is the sole one in domestic industry i.e. grinding machine operated by intelligent robot. It will greatly improve the production efficiency and the product precisions increase the productivity reduce the labor intensity and innovate the production process so as to make our equipment in the leading position of domestic bearing manufacturers. It will make LYC have the advantage to occupied the domestic market and march the international high-end market.