| Vendor | Spec | Unit | Price | Currency | Date |
| Nanjing Guanshan New Energy Industry Co., Ltd. | China national standards | MT | 977.7 | USD | 20250918 |
| Nanjing Guanshan New Energy Industry Co., Ltd. | China national standards | MT | 978.5 | USD | 20250916 |
| Nanjing Guanshan New Energy Industry Co., Ltd. | China national standards | MT | 999.11 | USD | 20250828 |
| Nanjing Guanshan New Energy Industry Co., Ltd. | China national standards | MT | 997.36 | USD | 20250826 |
| Nanjing Guanshan New Energy Industry Co., Ltd. | China national standards | MT | 1002.51 | USD | 20250822 |
| Nanjing Guanshan New Energy Industry Co., Ltd. | China national standards | MT | 981.95 | USD | 20250821 |