| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Hongyang Chem | China national standards | MT | 1194.63 | USD | 20251204 |
| Shandong Hongyang Chem | China national standards | MT | 1194.63 | USD | 20251204 |
| Shandong Hongyang Chem | China national standards | MT | 1194.28 | USD | 20251203 |
| Shandong Hongyang Chem | China national standards | MT | 1194.28 | USD | 20251203 |
| Shandong Hongyang Chem | China national standards | MT | 1193.6 | USD | 20251202 |
| Shandong Hongyang Chem | China national standards | MT | 1193.6 | USD | 20251202 |
| Shandong Hongyang Chem | China national standards | MT | 1194.19 | USD | 20251201 |
| Shandong Hongyang Chem | China national standards | MT | 1194.19 | USD | 20251201 |
| Shandong Hongyang Chem | China national standards | MT | 1193.69 | USD | 20251128 |
| Shandong Hongyang Chem | China national standards | MT | 1193.69 | USD | 20251128 |