| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Yushuo Chem | China national standards | MT | 205.13 | USD | 20251211 |
| Shandong Yushuo Chem | China national standards | MT | 204.94 | USD | 20251210 |
| Shandong Yushuo Chem | China national standards | MT | 204.88 | USD | 20251209 |
| Shandong Yushuo Chem | China national standards | MT | 204.91 | USD | 20251208 |
| Shandong Yushuo Chem | China national standards | MT | 204.95 | USD | 20251205 |
| Shandong Yushuo Chem | China national standards | MT | 205.0 | USD | 20251204 |
| Shandong Yushuo Chem | China national standards | MT | USD | 20251203 | |
| Shandong Yushuo Chem | China national standards | MT | USD | 20251202 | |
| Shandong Yushuo Chem | China national standards | MT | USD | 20251201 | |
| Shandong Yushuo Chem | China national standards | MT | USD | 20251128 |