| Vendor | Spec | Unit | Price | Currency | Date |
| Nanjing Baitu Chemicals Co., Ltd. | China national standards | MT | 816.35 | USD | 20251011 |
| Nanjing Baitu Chemicals Co., Ltd. | China national standards | MT | 900.8 | USD | 20251010 |
| Nanjing Baitu Chemicals Co., Ltd. | China national standards | MT | 816.35 | USD | 20251010 |
| Nanjing Baitu Chemicals Co., Ltd. | China national standards | MT | 815.73 | USD | 20251009 |
| Nanjing Baitu Chemicals Co., Ltd. | China national standards | MT | 900.12 | USD | 20251009 |
| Nanjing Baitu Chemicals Co., Ltd. | China national standards | MT | 815.16 | USD | 20250928 |
| Nanjing Baitu Chemicals Co., Ltd. | China national standards | MT | 899.48 | USD | 20250928 |
| Nanjing Baitu Chemicals Co., Ltd. | China national standards | MT | 815.16 | USD | 20250926 |
| Nanjing Baitu Chemicals Co., Ltd. | China national standards | MT | 899.48 | USD | 20250926 |
| Nanjing Baitu Chemicals Co., Ltd. | China national standards | MT | 900.69 | USD | 20250925 |