| Vendor | Spec | Unit | Price | Currency | Date |
| Nanjing Baitu Chemicals Co., Ltd. | China national standards | MT | 959.03 | USD | 20251120 |
| Nanjing Baitu Chemicals Co., Ltd. | China national standards | MT | 959.69 | USD | 20251118 |
| Nanjing Baitu Chemicals Co., Ltd. | China national standards | MT | 959.69 | USD | 20251118 |
| Nanjing Baitu Chemicals Co., Ltd. | China national standards | MT | 917.87 | USD | 20251117 |
| Nanjing Baitu Chemicals Co., Ltd. | China national standards | MT | 917.87 | USD | 20251117 |
| Nanjing Baitu Chemicals Co., Ltd. | China national standards | MT | 917.76 | USD | 20251115 |
| Nanjing Baitu Chemicals Co., Ltd. | China national standards | MT | 917.76 | USD | 20251115 |
| Nanjing Baitu Chemicals Co., Ltd. | China national standards | MT | 917.76 | USD | 20251114 |
| Nanjing Baitu Chemicals Co., Ltd. | China national standards | MT | 917.76 | USD | 20251114 |
| Nanjing Baitu Chemicals Co., Ltd. | China national standards | MT | 917.24 | USD | 20251113 |