贵州大龙汇成新材料有限公司（简称“汇成新材”）成立于2012年，位于贵州省铜仁市大龙经济开发区，是一家集新型动力电池材料研发、生产、销售为一体,专注于高纯超细无机功能材料领域的创新型高新技术小巨人企业，是全球最大的电池用硫酸锰生产服务商，行业内唯一一家掌握湿法锰正极前驱体关键技术的企业，并完成了从锰矿加工到锰系锂电池正极材料深加工全产业链产业化。
汇成新材主要产品为电池级硫酸锰、四氧化三锰、锰酸锂正极材料，其中，汇成新材生产的电池用硫酸锰在全球、国内市场占有率达分别达60%、65%，电池用四氧化三锰及锰酸锂正极材料的产能国内领先，电池级硫酸锰、高纯四氧化三锰、高纯三氧化二锰、高纯磷酸锰已实现批量生产，产品主要服务于锂离子及钠离子电池正极材料。
目前已与国内外数十家知名新能源电池及材料企业建立合作，是锰基新能源领域不可或缺的主力军。
现拥有申报国家专利78项，已授权专利30项，分别主持和参与制定了《电池用硫酸锰》（HGT 4823-2015）、《锂电池用四氧化三锰》（YBT 4736-2019）、《蒸汽加热设备节能监测方法》（GBT 15914-2021）等3项行业标准，具备行业领先的强大核心技术
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.
