| Vendor | Spec | Unit | Price | Currency | Date |
| Lihuayi Shandong | China national standards | MT | 890.35 | USD | 20251201 |
| Hubei 789 Chem | China national standards | MT | 1300.19 | USD | 20251201 |
| Zibo Lishuo Chem | China national standards | MT | 989.27 | USD | 20251201 |
| Shandong Xima | China national standards | MT | 975.14 | USD | 20251201 |
| Zibo Lishuo Chem | China national standards | MT | 989.27 | USD | 20251201 |
| Shandong Hanyue Chem | China national standards | MT | 932.74 | USD | 20251201 |
| Shandong Qiangsen Chem | China national standards | MT | 1045.8 | USD | 20251201 |
| Shandong Langchem | China national standards | MT | 1335.52 | USD | 20251201 |
| Zibo Lishuo Chem | China national standards | MT | 989.27 | USD | 20251201 |
| Hubei 789 Chem | China national standards | MT | 1300.19 | USD | 20251201 |