| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Baishui Chem | China national standards | MT | 471.1 | USD | 20251211 |
| Shandong Baishui Chem | China national standards | MT | 470.65 | USD | 20251210 |
| Shandong Baishui Chem | China national standards | MT | 470.52 | USD | 20251209 |
| Shandong Baishui Chem | China national standards | MT | 470.58 | USD | 20251208 |
| Shandong Baishui Chem | China national standards | MT | 470.68 | USD | 20251205 |
| Shandong Baishui Chem | China national standards | MT | 470.78 | USD | 20251204 |
| Shandong Baishui Chem | China national standards | MT | 470.64 | USD | 20251203 |
| Shandong Baishui Chem | China national standards | MT | 470.38 | USD | 20251202 |
| Shandong Baishui Chem | China national standards | MT | 470.61 | USD | 20251201 |
| Shandong Baishui Chem | China national standards | MT | 470.41 | USD | 20251129 |