| Vendor | Spec | Unit | Price | Currency | Date |
| Sinopec | China national standards | MT | 942.93 | USD | 20250930 |
| Lihuayi Shandong | China national standards | MT | 942.93 | USD | 20250930 |
| Shandong Shuojia Chem | China national standards | MT | 942.93 | USD | 20250930 |
| Shandong Shuojia Chem | China national standards | MT | 942.93 | USD | 20250930 |
| Shandong Shuojia Chem | China national standards | MT | 942.93 | USD | 20250930 |
| Shandong Shuojia Chem | China national standards | MT | 942.93 | USD | 20250930 |
| Shandong Xingpeng Chem | China national standards | MT | 940.12 | USD | 20250930 |
| Lihuayi Shandong | China national standards | MT | 940.12 | USD | 20250930 |
| Shandong Yuhuang Chem | China national standards | MT | 1287.73 | USD | 20250930 |
| Shandong Langchem | China national standards | MT | 1329.96 | USD | 20250930 |