| Vendor | Spec | Unit | Price | Currency | Date |
| Nanjing Baitu Chemicals Co., Ltd. | China national standards | MT | 916.77 | USD | 20251105 |
| Nanjing Baitu Chemicals Co., Ltd. | China national standards | MT | 916.98 | USD | 20251104 |
| Nanjing Baitu Chemicals Co., Ltd. | China national standards | MT | 916.98 | USD | 20251104 |
| Nanjing Baitu Chemicals Co., Ltd. | China national standards | MT | 917.21 | USD | 20251103 |
| Nanjing Baitu Chemicals Co., Ltd. | China national standards | MT | 917.21 | USD | 20251103 |
| Nanjing Baitu Chemicals Co., Ltd. | China national standards | MT | 917.04 | USD | 20251031 |
| Nanjing Baitu Chemicals Co., Ltd. | China national standards | MT | 917.04 | USD | 20251031 |
| Nanjing Baitu Chemicals Co., Ltd. | China national standards | MT | 917.52 | USD | 20251029 |
| Nanjing Baitu Chemicals Co., Ltd. | China national standards | MT | 917.52 | USD | 20251029 |
| Nanjing Baitu Chemicals Co., Ltd. | China national standards | MT | 917.35 | USD | 20251028 |