On December 18, the national testing machine standard committee came to our company accompanied by Ruan Weixin, chairman of our company, and Ruan Haixiang, general manager. First of all, I visited the equipment exhibition hall of our company. Ruan Weixin, chairman of the board of directors, made a brief introduction to the function, function, management mode of the equipment and the achievements made in the test instruments and equipment. The national test machine standard committee and other members marveled at this. Subsequently, the national testing machine Standard Committee visited the company's instrument and equipment workshop.