2019.03.05, Ernd Suttner, President of German SUMET company, was invited to our company for technical exchange. At the exchange meeting, Mr. Ernd Suttner introduced SUMET's existing technology and corresponding r&d and production equipment in detail to tong shuhua, chief engineer of the company, and hua feiguo, general manager of jinjiahao nanomaterials, and explained the latest coating technology of nano cellulose mastered by him. Through this exchange meeting, it is of great significance to the company's research on nano cellulose products and its application in the paper industry