| Vendor | Spec | Unit | Price | Currency | Date |
| Nanjing Baitu Chemicals Co., Ltd. | China national standards | MT | 816.59 | USD | 20250916 |
| Nanjing Baitu Chemicals Co., Ltd. | China national standards | MT | 816.26 | USD | 20250915 |
| Nanjing Baitu Chemicals Co., Ltd. | China national standards | MT | 900.7 | USD | 20250915 |
| Nanjing Baitu Chemicals Co., Ltd. | China national standards | MT | 901.31 | USD | 20250909 |
| Nanjing Baitu Chemicals Co., Ltd. | China national standards | MT | 816.81 | USD | 20250909 |
| Nanjing Baitu Chemicals Co., Ltd. | China national standards | MT | 901.04 | USD | 20250908 |
| Nanjing Baitu Chemicals Co., Ltd. | China national standards | MT | 901.04 | USD | 20250908 |
| Nanjing Baitu Chemicals Co., Ltd. | China national standards | MT | 816.57 | USD | 20250908 |
| Nanjing Baitu Chemicals Co., Ltd. | China national standards | MT | 816.57 | USD | 20250908 |
| Nanjing Baitu Chemicals Co., Ltd. | China national standards | MT | 900.6 | USD | 20250905 |