Jiangxi Huaming Nano Calcium Carbonate Co., Ltd. Was established in August 2004. In June 2014, the company initiated an enterprise reform, which was jointly established as a mixed-ownership enterprise by Xinyu Mining Co., Ltd. (formerly Yinggangling Mining Bureau) and Shanghai Huaming High Technology (Group) Co., Ltd. Along with the National Ultrafine Powder Engineering Research Center and private capital. It completed the transformation into a wholly privately-owned enterprise in 2019. The "Ruihua" brand nano active calcium carbonate products produced by the company are mainly applied in materials such as rubber and plastics, coatings, silicone sealants, inks, and environmental degradation. The company's registered capital is 45 million yuan, with a total land area of over 60, 000 square meters. The company has its own limestone mine and an annual production capacity of over 100, 000 tons, among which the annual production capacity of nano calcium is 50, 000 tons. The company has its own research and development center, equipped with advanced experimental instruments and testing equipment, and has established experimental bases in cooperation with several renowned universities and application manufacturers. Currently, the company has obtained a number of invention patents and utility model patents; At the same time, it has received honors such as "Jiangxi Province Small and Medium-sized High-tech Enterprises", "High-tech Enterprise", "Technology-based Small and Medium-sized Enterprise", "Yichun Calcium Carbonate Technology Research Center", "Top Ten Nano Calcium Enterprises", "Digital Enterprise", etc. In 2022, it passed the three major system certifications of ISO9001 Quality Management System, ISO14001 Environmental Management System, and ISO45001 Occupational Health and Safety Management System.