| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Yuhuang Chem | China national standards | MT | 896.97 | USD | 20251202 |
| Shandong Yuhuang Chem | China national standards | MT | 873.39 | USD | 20251201 |
| Shandong Yuhuang Chem | China national standards | MT | 1201.26 | USD | 20251201 |
| Shandong Yuhuang Chem | China national standards | MT | 1370.85 | USD | 20251201 |
| Shandong Yuhuang Chem | China national standards | MT | 1271.92 | USD | 20251201 |
| Shandong Yuhuang Chem | China national standards | MT | 897.41 | USD | 20251201 |
| Shandong Yuhuang Chem | China national standards | MT | 1293.12 | USD | 20251201 |
| Shandong Yuhuang Chem | China national standards | MT | 1370.27 | USD | 20251129 |
| Shandong Yuhuang Chem | China national standards | MT | 1292.57 | USD | 20251129 |
| Shandong Yuhuang Chem | China national standards | MT | 1200.75 | USD | 20251129 |