| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Yuhuang Chem | China national standards | MT | 1368.61 | USD | 20251121 |
| Shandong Yuhuang Chem | China national standards | MT | 1291.01 | USD | 20251121 |
| Shandong Yuhuang Chem | China national standards | MT | 1290.46 | USD | 20251120 |
| Shandong Yuhuang Chem | China national standards | MT | 1198.79 | USD | 20251120 |
| Shandong Yuhuang Chem | China national standards | MT | 1291.06 | USD | 20251119 |
| Shandong Yuhuang Chem | China national standards | MT | 1368.66 | USD | 20251119 |
| Shandong Yuhuang Chem | China national standards | MT | 1368.97 | USD | 20251118 |
| Shandong Yuhuang Chem | China national standards | MT | 1291.35 | USD | 20251118 |
| Shandong Yuhuang Chem | China national standards | MT | 1199.62 | USD | 20251118 |
| Shandong Yuhuang Chem | China national standards | MT | 1292.08 | USD | 20251117 |