| Vendor | Spec | Unit | Price | Currency | Date |
| Nanjing Baitu Chemicals Co., Ltd. | China national standards | MT | 815.66 | USD | 20250827 |
| Nanjing Baitu Chemicals Co., Ltd. | China national standards | MT | 815.05 | USD | 20250825 |
| Nanjing Baitu Chemicals Co., Ltd. | China national standards | MT | 899.37 | USD | 20250825 |
| Nanjing Baitu Chemicals Co., Ltd. | China national standards | MT | 897.35 | USD | 20250822 |
| Nanjing Baitu Chemicals Co., Ltd. | China national standards | MT | 813.22 | USD | 20250822 |
| Nanjing Baitu Chemicals Co., Ltd. | China national standards | MT | 812.51 | USD | 20250820 |
| Nanjing Baitu Chemicals Co., Ltd. | China national standards | MT | 896.56 | USD | 20250820 |
| Nanjing Baitu Chemicals Co., Ltd. | China national standards | MT | 897.34 | USD | 20250818 |
| Nanjing Baitu Chemicals Co., Ltd. | China national standards | MT | 813.21 | USD | 20250818 |
| Nanjing Baitu Chemicals Co., Ltd. | China national standards | MT | 812.65 | USD | 20250815 |