| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Yushuo Chem | China national standards | MT | 820.53 | USD | 20251211 |
| Shandong Yushuo Chem | China national standards | MT | 819.75 | USD | 20251210 |
| Shandong Yushuo Chem | China national standards | MT | 819.52 | USD | 20251209 |
| Shandong Yushuo Chem | China national standards | MT | 819.63 | USD | 20251208 |
| Shandong Yushuo Chem | China national standards | MT | 742.06 | USD | 20251205 |
| Shandong Yushuo Chem | China national standards | MT | 742.23 | USD | 20251204 |
| Shandong Yushuo Chem | China national standards | MT | 742.01 | USD | 20251203 |
| Shandong Yushuo Chem | China national standards | MT | 727.46 | USD | 20251202 |
| Shandong Yushuo Chem | China national standards | MT | 727.82 | USD | 20251201 |
| Shandong Yushuo Chem | China national standards | MT | 713.39 | USD | 20251128 |