| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Hongyang Chem | China national standards | MT | 1909.85 | USD | 20251211 |
| Shandong Hongyang Chem | China national standards | MT | 1908.05 | USD | 20251210 |
| Shandong Hongyang Chem | China national standards | MT | 1907.51 | USD | 20251209 |
| Shandong Hongyang Chem | China national standards | MT | 1907.75 | USD | 20251208 |
| Shandong Hongyang Chem | China national standards | MT | 1908.15 | USD | 20251205 |
| Shandong Hongyang Chem | China national standards | MT | 1908.59 | USD | 20251204 |
| Shandong Hongyang Chem | China national standards | MT | 1908.02 | USD | 20251203 |
| Shandong Hongyang Chem | China national standards | MT | 1906.94 | USD | 20251202 |
| Shandong Hongyang Chem | China national standards | MT | 1907.88 | USD | 20251201 |
| Shandong Hongyang Chem | China national standards | MT | 1907.08 | USD | 20251128 |