Hunan Kingcera focuses on wear-resistant ceramic products for electric power system and steel making plants in the early stage,in 2014, the home developed ZTA ( zirconia toughed alumina) ceramic liner were widely used in iron ores in WA, which accounted for 50% of the market share in this kind of products during the peak period. At 2016, we started the development of ceramic grain in composite VRM roller with the foundries under the domestic large-scale cement groups (BBMG), after that, we provided ceramic grain and technical services to the foundries which produce composite wear parts. At early 2020, we started batch productionof tic based steel bonded cemented carbide rod (grade TM52) as a supplier of Metso group, as well as providing products and technical services to the top level foundris including domestic and international markets. On 2023, we started a new production line of SiC ceramics products.