| Vendor | Spec | Unit | Price | Currency | Date |
| Nanjing Baitu Chemicals Co., Ltd. | China national standards | MT | 620.89 | USD | 20251111 |
| Nanjing Baitu Chemicals Co., Ltd. | China national standards | MT | 620.89 | USD | 20251111 |
| Nanjing Baitu Chemicals Co., Ltd. | China national standards | MT | 620.98 | USD | 20251110 |
| Nanjing Baitu Chemicals Co., Ltd. | China national standards | MT | 620.98 | USD | 20251110 |
| Nanjing Baitu Chemicals Co., Ltd. | China national standards | MT | 621.15 | USD | 20251107 |
| Nanjing Baitu Chemicals Co., Ltd. | China national standards | MT | 621.15 | USD | 20251107 |
| Nanjing Baitu Chemicals Co., Ltd. | China national standards | MT | 620.58 | USD | 20251105 |
| Nanjing Baitu Chemicals Co., Ltd. | China national standards | MT | 620.58 | USD | 20251105 |
| Nanjing Baitu Chemicals Co., Ltd. | China national standards | MT | 620.72 | USD | 20251104 |
| Nanjing Baitu Chemicals Co., Ltd. | China national standards | MT | 620.72 | USD | 20251104 |