| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Hongyang Chem | China national standards | MT | 1195.43 | USD | 20251211 |
| Shandong Hongyang Chem | China national standards | MT | 1195.43 | USD | 20251211 |
| Shandong Hongyang Chem | China national standards | MT | 1194.3 | USD | 20251210 |
| Shandong Hongyang Chem | China national standards | MT | 1194.3 | USD | 20251210 |
| Shandong Hongyang Chem | China national standards | MT | 1193.96 | USD | 20251209 |
| Shandong Hongyang Chem | China national standards | MT | 1193.96 | USD | 20251209 |
| Shandong Hongyang Chem | China national standards | MT | 1194.11 | USD | 20251208 |
| Shandong Hongyang Chem | China national standards | MT | 1194.11 | USD | 20251208 |
| Shandong Hongyang Chem | China national standards | MT | 1194.36 | USD | 20251205 |
| Shandong Hongyang Chem | China national standards | MT | 1194.36 | USD | 20251205 |