| Vendor | Spec | Unit | Price | Currency | Date |
| Nanjing Baitu Chemicals Co., Ltd. | China national standards | MT | 816.25 | USD | 20250925 |
| Nanjing Baitu Chemicals Co., Ltd. | China national standards | MT | 900.69 | USD | 20250924 |
| Nanjing Baitu Chemicals Co., Ltd. | China national standards | MT | 816.25 | USD | 20250924 |
| Nanjing Baitu Chemicals Co., Ltd. | China national standards | MT | 816.25 | USD | 20250923 |
| Nanjing Baitu Chemicals Co., Ltd. | China national standards | MT | 900.69 | USD | 20250923 |
| Nanjing Baitu Chemicals Co., Ltd. | China national standards | MT | 899.79 | USD | 20250919 |
| Nanjing Baitu Chemicals Co., Ltd. | China national standards | MT | 815.43 | USD | 20250919 |
| Nanjing Baitu Chemicals Co., Ltd. | China national standards | MT | 815.92 | USD | 20250918 |
| Nanjing Baitu Chemicals Co., Ltd. | China national standards | MT | 900.33 | USD | 20250918 |
| Nanjing Baitu Chemicals Co., Ltd. | China national standards | MT | 816.59 | USD | 20250916 |