Guizhou Dalong Huicheng New Material Co., Ltd. just joined the IMnI!

April 29, 2025
Manganese Institute - Manganese picture

Founded in 2012 and located in Tongren Dalong Economic Development Zone, Guizhou province, Guizhou Dalong Huicheng New Material Co., Ltd is a combination of  research & development, production & sales of new power and energy storage battery materials, and the original high-tech enterprise by focusing on the field of high purity ultra-fine inorganic functional materials 

By established five factories in Tongren (Guizhou province), Changsha (Hunan province), and Fangchenggang (Guangxi Zhuang Autonomous Region), their main products are manganese sulfate for batteries, manganese tetroxide for lithium batteries, lithium manganate, electrodeposited nickel, electrodeposited cobalt, lithium carbonate, and mercury corrosion inhibitor for batteries, etc. It is one of the companies with the most complete types of manganese materials and the largest scale of multiple categories in China, forming a perfect manganese industry chain and a closed loop of comprehensive utilization of resources. 

  1. Capability of Technological Innovation  

The principal technical backbone of the company has been engaged in the manganese series material industry for nearly 30 years, and has made contribution to solving the problem of stuck neck for battery manganese sulfate, promoting the quality of China's ternary lithium battery materials, and ranking the products in the international leading row. 

Now the company has 101 national patents. And as the lead unit, the company has developed the industry standard HG/T 4823-2015 Manganese sulfate for batteries and HG/T 4823-2023 Manganese sulfate for batteries. Besides, as the main drafting unit, it has formulated the national standard GB/T 15914-2021 energy-saving monitoring Method for steam heating equipment, GB/T 21836-2024 manganese tetroxil, and the industry standard YB/T 4736-2019 Manganese tetroxil for lithium batteries and YB/T 051-2023 Electrolytic manganese metal. 

  1. Title of Honour  

The main honour for the company: 

  • National Post-doctoral Research Workstation 

  • National High-tech Enterprise  

  • National Green Factory  

  • China Export Quality & Safety Demonstration Enterprise (the first in Guizhou Province) 

  • National Specialized & Special Little Giant Enterprise  

  • Demonstration Enterprise of Tongren Manganese Industry Characteristic Industrial Base of National Torch   

  • Guizhou Science & Technology Progress Award (2 first prizes, 1 second prizes) 

  • Technological Innovation Demonstration Enterprise of Guizhou Province 

  • Recognized Enterprise Technology Center of Guizhou Province 

  • Intellectual Property Advantage Enterprise of Guizhou Province 

  1. Industry-University-Research Cooperation 

The company carries out industry-university-research cooperation, and has established close cooperative relations with domestic dominant universities such as Central South University, Hunan University, Xiangtan University, and local institutes and universities such as Guizhou University, Tongren University, Guizhou Institute of Technology, etc., to lay out basic research and industrialization development in new battery materials and efficient recycling. 

With the rapid development of new energy power batteries, the company is closely following the country to further expand production, and extend the industrial chain as well as comprehensive utilization of waste batteries and waste slag. 

Guizhou Dalong Huicheng New Materials Co., Ltd. is a member of the Chemical Division of the International Manganese Institute (IMnI).  

Huicheng logo