Anhui Estone Materials Technology Co., Ltd. (stock code 688733.SH) was established in January 2006 and listed on the Science and Technology Innovation Board of Shanghai Stock Exchange on August 17, 2021, with a registered capital of RMB 200 million at present. The Company's main products include new energy lithium battery coating materials, electronic communication function filling materials, low smoke halogen-free flame retardant materials and other three categories, all of which are key materials to ensure the active safety, thermal management safety and electronic communication safety of new energy lithium battery. Among them, the shipment volume and market share of boehmite for lithium battery ranks the first in the world, and it is the core supplier of similar materials to many domestic leading lithium battery enterprises including CATL.

In 2012, the Company became a national high-tech enterprise and won more than 26 enterprise honors. It was successively awarded honorary titles as "Little Giant" Enterprise for Specialized Innovation of the Ministry of Industry and Information Technology, TOP 50 of China Lithium Battery Industry in 2021, Second Prize of Science and Technology Invention of China Non-metallic Mining Association, Key Technology Tackling Enterprise of Key Fields of Products Strengthening Points of Weakness in Anhui Province, "Three Key Fields and One Innovation" Project of Anhui Province, Major Special Award Project of Science and Technology Department of Anhui Province, etc.