| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Yuhuang Chem | China national standards | MT | 1290.91 | USD | 20251101 |
| Shandong Yuhuang Chem | China national standards | MT | 1368.51 | USD | 20251101 |
| Shandong Yuhuang Chem | China national standards | MT | 991.82 | USD | 20251031 |
| Shandong Yuhuang Chem | China national standards | MT | 1368.51 | USD | 20251031 |
| Shandong Yuhuang Chem | China national standards | MT | 1199.21 | USD | 20251031 |
| Shandong Yuhuang Chem | China national standards | MT | 1269.75 | USD | 20251031 |
| Shandong Yuhuang Chem | China national standards | MT | 1290.91 | USD | 20251031 |
| Shandong Yuhuang Chem | China national standards | MT | 1368.82 | USD | 20251030 |
| Shandong Yuhuang Chem | China national standards | MT | 1199.48 | USD | 20251030 |
| Shandong Yuhuang Chem | China national standards | MT | 1291.21 | USD | 20251030 |