| Vendor | Spec | Unit | Price | Currency | Date |
| Nanjing Baitu Chemicals Co., Ltd. | China national standards | MT | 479.79 | USD | 20251113 |
| Nanjing Baitu Chemicals Co., Ltd. | China national standards | MT | 480.0 | USD | 20251112 |
| Nanjing Baitu Chemicals Co., Ltd. | China national standards | MT | 423.53 | USD | 20251112 |
| Nanjing Baitu Chemicals Co., Ltd. | China national standards | MT | 479.78 | USD | 20251111 |
| Nanjing Baitu Chemicals Co., Ltd. | China national standards | MT | 479.85 | USD | 20251110 |
| Nanjing Baitu Chemicals Co., Ltd. | China national standards | MT | 479.98 | USD | 20251107 |
| Nanjing Baitu Chemicals Co., Ltd. | China national standards | MT | 479.65 | USD | 20251104 |
| Nanjing Baitu Chemicals Co., Ltd. | China national standards | MT | 479.77 | USD | 20251103 |
| Nanjing Baitu Chemicals Co., Ltd. | China national standards | MT | 479.68 | USD | 20251031 |
| Nanjing Baitu Chemicals Co., Ltd. | China national standards | MT | 479.93 | USD | 20251029 |