| Vendor | Spec | Unit | Price | Currency | Date |
| 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 |
| Shandong Shuntian Chem | China national standards | MT | 338.86 | USD | 20251125 |
| Shandong Shuntian Chem | China national standards | MT | 338.76 | USD | 20251124 |
| Shandong Shuntian Chem | China national standards | MT | 338.62 | USD | 20251121 |
| Shandong Shuntian Chem | China national standards | MT | 338.48 | USD | 20251120 |
| Shandong Shuntian Chem | China national standards | MT | 338.64 | USD | 20251119 |