| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Xima | China national standards | MT | 989.41 | USD | 20251206 |
| Shandong Langchem | China national standards | MT | 1102.49 | USD | 20251205 |
| Nanjing Runsheng Petro | China national standards | MT | 989.41 | USD | 20251205 |
| Shandong Yihe Chem | China national standards | MT | 819.8 | USD | 20251205 |
| Shandong Yihe Chem | China national standards | MT | 819.8 | USD | 20251205 |
| Qingdao Shengze Chem | China national standards | MT | 869.27 | USD | 20251205 |
| Shandong Xima | China national standards | MT | 989.41 | USD | 20251205 |
| Shandong Qiangsen Chem | China national standards | MT | 989.41 | USD | 20251205 |
| Shandong Langchem | China national standards | MT | 1081.29 | USD | 20251205 |
| Shandong Langchem | China national standards | MT | 1102.49 | USD | 20251205 |