| Vendor | Spec | Unit | Price | Currency | Date |
| 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 |
| Shandong Shuntian Chem | China national standards | MT | 338.72 | USD | 20251118 |
| Shandong Shuntian Chem | China national standards | MT | 338.91 | USD | 20251117 |
| Shandong Shuntian Chem | China national standards | MT | 338.86 | USD | 20251114 |
| Shandong Shuntian Chem | China national standards | MT | 338.67 | USD | 20251113 |
| Shandong Shuntian Chem | China national standards | MT | 338.83 | USD | 20251112 |