| Vendor | Spec | Unit | Price | Currency | Date |
| Nanjing Baitu Chemicals Co., Ltd. | China national standards | MT | 621.33 | USD | 20251117 |
| Nanjing Baitu Chemicals Co., Ltd. | China national standards | MT | 621.33 | USD | 20251117 |
| Nanjing Baitu Chemicals Co., Ltd. | China national standards | MT | 621.33 | USD | 20251117 |
| Nanjing Baitu Chemicals Co., Ltd. | China national standards | MT | 621.33 | USD | 20251117 |
| Nanjing Baitu Chemicals Co., Ltd. | China national standards | MT | 621.25 | USD | 20251114 |
| Nanjing Baitu Chemicals Co., Ltd. | China national standards | MT | 621.25 | USD | 20251114 |
| Nanjing Baitu Chemicals Co., Ltd. | China national standards | MT | 620.9 | USD | 20251113 |
| Nanjing Baitu Chemicals Co., Ltd. | China national standards | MT | 620.9 | USD | 20251113 |
| Nanjing Baitu Chemicals Co., Ltd. | China national standards | MT | 621.18 | USD | 20251112 |
| Nanjing Baitu Chemicals Co., Ltd. | China national standards | MT | 621.18 | USD | 20251112 |