| Vendor | Spec | Unit | Price | Currency | Date |
| Lihuayi Weiyuan Chem | China national standards | MT | 957.1 | USD | 20251010 |
| Shandong Xima | China national standards | MT | 886.72 | USD | 20251010 |
| Shandong Qiangsen Chem | China national standards | MT | 928.95 | USD | 20251010 |
| Shandong Qiangsen Chem | China national standards | MT | 928.95 | USD | 20251010 |
| Shandong Langchem | China national standards | MT | 1097.85 | USD | 20251010 |
| Shandong Langchem | China national standards | MT | 1111.92 | USD | 20251010 |
| Shandong Langchem | China national standards | MT | 1111.92 | USD | 20251010 |
| Shandong Langchem | China national standards | MT | 1104.89 | USD | 20251010 |
| Shandong Langchem | China national standards | MT | 1126.0 | USD | 20251010 |
| Beijing Yanshan Petro | China national standards | MT | 1168.22 | USD | 20251010 |