4.
1. Jintai Mining Co., Ltd.: focuses on the mining and processing of lithium ore, has advanced mining technology and equipment, has a complete industrial chain, and can extract valuable elements from lithium ore and Produce high-quality lithium products.
2. Chemical Plant: It is an enterprise mainly engaged in ferrous metal mining and processing. The registered capital and paid-in capital of the enterprise are relatively high, showing its scale and strength.
3. Baotong Mining Co., Ltd.: Founded in 2003 and located in Chengde City, Hebei Province, it has foreign investment companies and participates in bidding projects, showing its diversified business and market expansion capabilities. Outstanding performance in intellectual property rights, with 48 patent letters.
4. Qingyuan: This is an enterprise focused on the development and utilization of lithium ores. It is committed to extracting valuable elements from lithium ores and producing high-quality lithium products.