| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Shuntian Chem | China national standards | MT | 332.05 | USD | 20251209 |
| Shandong Shuntian Chem | China national standards | MT | 332.09 | USD | 20251208 |
| Shandong Shuntian Chem | China national standards | MT | 332.16 | USD | 20251205 |
| Shandong Shuntian Chem | China national standards | MT | 339.3 | USD | 20251204 |
| Shandong Shuntian Chem | China national standards | MT | 346.27 | USD | 20251203 |
| Shandong Shuntian Chem | China national standards | MT | 346.07 | USD | 20251202 |
| Shandong Shuntian Chem | China national standards | MT | 346.25 | USD | 20251201 |
| Shandong Shuntian Chem | China national standards | MT | 346.1 | USD | 20251128 |
| Shandong Shuntian Chem | China national standards | MT | 346.15 | USD | 20251127 |
| Shandong Shuntian Chem | China national standards | MT | 346.06 | USD | 20251126 |