| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Hongyang Chem | China national standards | MT | 1193.86 | USD | 20251127 |
| Shandong Hongyang Chem | China national standards | MT | 1193.86 | USD | 20251127 |
| Shandong Hongyang Chem | China national standards | MT | 1193.57 | USD | 20251126 |
| Shandong Hongyang Chem | China national standards | MT | 1192.24 | USD | 20251121 |
| Shandong Hongyang Chem | China national standards | MT | 1192.24 | USD | 20251121 |
| Shandong Hongyang Chem | China national standards | MT | 1191.74 | USD | 20251120 |
| Shandong Hongyang Chem | China national standards | MT | 1191.74 | USD | 20251120 |
| Shandong Hongyang Chem | China national standards | MT | 1192.29 | USD | 20251119 |
| Shandong Hongyang Chem | China national standards | MT | 1192.29 | USD | 20251119 |
| Shandong Hongyang Chem | China national standards | MT | 1192.56 | USD | 20251118 |