On the morning of May 16, Shen Hao, chief engineer of the Ningbo Housing and Urban-Rural Development Committee, and his party went to the company to conduct work research. Accompanied by the chairman Wang Huirong and other company leaders, he visited the company's headquarters and the Honglian Station TJ2219 standard project under construction. At the scene, we observed the ZG70 slotting machine independently developed and manufactured by Zhongrui Heavy Science. Mr. Shen fully affirmed the company's achievements in the basic field, and hoped to further understand the actual situation of the company through investigation, help the company to solve problems and assist the company to further develop.