| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Mengkanda Chem | China national standards | MT | 477.72 | USD | 20251210 |
| Shandong Mengkanda Chem | China national standards | MT | 452.28 | USD | 20251210 |
| Shandong Mengkanda Chem | China national standards | MT | 477.72 | USD | 20251210 |
| Shandong Mengkanda Chem | China national standards | MT | 452.15 | USD | 20251209 |
| Shandong Mengkanda Chem | China national standards | MT | 536.47 | USD | 20251112 |
| Shandong Mengkanda Chem | China national standards | MT | 536.3 | USD | 20251110 |
| Shandong Mengkanda Chem | China national standards | MT | 536.45 | USD | 20251107 |
| Shandong Mengkanda Chem | China national standards | MT | 536.12 | USD | 20251031 |
| Shandong Mengkanda Chem | China national standards | MT | 536.24 | USD | 20251030 |
| Shandong Mengkanda Chem | China national standards | MT | 536.3 | USD | 20251028 |