貴州大龍匯成新材料有限公司（簡稱“匯成新材”）成立于2012年，位于貴州省銅仁市大龍經濟開發區，是一家集新型動力電池材料研發、生產、銷售為一體,專注于高純超細無機功能材料領域的創新型高新技術小巨人企業，是全球最大的電池用硫酸錳生產服務商，行業內唯一一家掌握濕法錳正極前驅體關鍵技術的企業，并完成了從錳礦加工到錳系鋰電池正極材料深加工全產業鏈產業化。
匯成新材主要產品為電池級硫酸錳、四氧化三錳、錳酸鋰正極材料，其中，匯成新材生產的電池用硫酸錳在全球、國內市場占有率達分別達60%、65%，電池用四氧化三錳及錳酸鋰正極材料的產能國內領先，電池級硫酸錳、高純四氧化三錳、高純三氧化二錳、高純磷酸錳已實現批量生產，產品主要服務于鋰離子及鈉離子電池正極材料。
目前已與國內外數十家知名新能源電池及材料企業建立合作，是錳基新能源領域不可或缺的主力軍。
現擁有申報國家專利78項，已授權專利30項，分別主持和參與制定了《電池用硫酸錳》（HGT 4823-2015）、《鋰電池用四氧化三錳》（YBT 4736-2019）、《蒸汽加熱設備節能監測方法》（GBT 15914-2021）等3項行業標準，具備行業領先的強大核心技術
Guizhou Dalong Huicheng New Material Co., Ltd. (Huicheng New Material) was established in 2012, and is a holding company of Hunan Huitong Energy Storage Material Group. It is a national high-tech enterprise, a national green manufacturing factory, and a specialized new enterprise for new energy key materials.
Huicheng New Material has won the national level “Small Giant Specialization Enterprise”, “Pilot Construction Unit of Green Factory”, “Innovative Enterprise”, “Guizhou Famous Brand Product”, “Guizhou Provincial Recognized Enterprise Technology Center”, “2019 Guizhou Top 100 Private Enterprises”, “First Class Prize of Guizhou Provincial Science and Technology Progress Award”, “Demonstration Enterprise for Comprehensive Utilization of Resources”, “Guizhou Provincial Technological Innovation Demonstration Enterprise”, “National High and New Technology Enterprise”, “China Export Quality and Safety Demonstration Enterprise” (the first one in Guizhou Province), “National Torch Tongren Manganese Industry Characteristic Industrial Base Demonstration Enterprise” etc. certain titles. It is a national level postdoctoral research workstation. “.
Huicheng New Materials has undertaken nearly 20 provincial projects in Guizhou Province, at the same time, it has undertaken national level projects from the National Development and Reform Commission, the Ministry of Science and Technology, and the Ministry of Industry and Information Technology. Currently, it has nearly 78 national patents. The company has presided over and participated in the formulation of three industry standards, including Manganese Sulfate for Batteries (HGT 4823-2015), Manganese Tetraoxide for Lithium Batteries (YBT 4736-2019), and Energy Conservation Monitoring Method for Steam Heating Equipment (GBT 15914-2021), respectively, possessing industry-leading strong core technology.