Hou Shifeng, Chairman of Shandong Leader Nano technology Co., Ltd., Professor of Shandong Agricultural University,National Distinguished Overseas Expert,Taishan Scholar Industrial Leading Talent of Shandong Province, and one of the first batch of experts for the new materials industry under the Top Ten Industrial Think Tanks of Shandong Province. He led the company to achieve full closed-loop production of graphene powder materials and developed technique for waste acid and wastewater treatment in the production process. In terms of raw material production and product portfolio, the company can produce materials ranging from graphene quantum dots to materials of various particle sizes. Its products are applied in various fields, such as thermal management, composite materials, environmental materials, petrochemical materials and agricultural materials. Among them, graphene materials for agriculture applications have been listed by the Ministry of Agriculture and Rural Affairs of the People's Republic of China as a new Spark Technology for nationwide promotion.