| Vendor | Spec | Unit | Price | Currency | Date |
| Nanjing Baitu Chem | China national standards | MT | 805.39 | USD | 20251209 |
| Nanjing Baitu Chem | China national standards | MT | 805.85 | USD | 20251204 |
| Nanjing Baitu Chem | China national standards | MT | 819.74 | USD | 20251203 |
| Nanjing Baitu Chem | China national standards | MT | 847.53 | USD | 20251202 |
| Nanjing Baitu Chem | China national standards | MT | 847.95 | USD | 20251201 |
| Nanjing Baitu Chem | China national standards | MT | 847.59 | USD | 20251128 |
| Nanjing Baitu Chem | China national standards | MT | 847.59 | USD | 20251128 |
| Nanjing Baitu Chem | China national standards | MT | 847.51 | USD | 20251126 |
| Nanjing Baitu Chem | China national standards | MT | 847.51 | USD | 20251126 |
| Nanjing Baitu Chem | China national standards | MT | 847.15 | USD | 20251125 |