| Vendor | Spec | Unit | Price | Currency | Date |
| Nanjing Baitu Chemicals Co., Ltd. | China national standards | MT | 619.47 | USD | 20250908 |
| Nanjing Baitu Chemicals Co., Ltd. | China national standards | MT | 619.47 | USD | 20250908 |
| Nanjing Baitu Chemicals Co., Ltd. | China national standards | MT | 619.47 | USD | 20250908 |
| Nanjing Baitu Chemicals Co., Ltd. | China national standards | MT | 619.47 | USD | 20250908 |
| Nanjing Baitu Chemicals Co., Ltd. | China national standards | MT | 619.16 | USD | 20250905 |
| Nanjing Baitu Chemicals Co., Ltd. | China national standards | MT | 619.16 | USD | 20250905 |
| Nanjing Baitu Chemicals Co., Ltd. | China national standards | MT | 619.09 | USD | 20250901 |
| Nanjing Baitu Chemicals Co., Ltd. | China national standards | MT | 619.09 | USD | 20250901 |
| Nanjing Baitu Chemicals Co., Ltd. | China national standards | MT | 619.46 | USD | 20250829 |
| Nanjing Baitu Chemicals Co., Ltd. | China national standards | MT | 619.46 | USD | 20250829 |