| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Langchem | China national standards | MT | 1104.25 | USD | 20250929 |
| Shandong Jinwen Chem | China national standards | MT | 1040.95 | USD | 20250929 |
| Nanjing Runsheng Petro | China national standards | MT | 1012.81 | USD | 20250929 |
| Shandong Xima | China national standards | MT | 984.68 | USD | 20250929 |
| Lihuayi Shandong | China national standards | MT | 949.51 | USD | 20250929 |
| Shandong Qiangsen Chem | China national standards | MT | 984.68 | USD | 20250929 |
| Shandong Fusheng | China national standards | MT | 1125.35 | USD | 20250929 |
| Shandong Fusheng | China national standards | MT | 1055.02 | USD | 20250929 |
| Qingdao Chengxin Chem | China national standards | MT | 1054.08 | USD | 20250928 |
| Shandong Hualu | China national standards | MT | 955.7 | USD | 20250928 |