| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Shuojia Chem | China national standards | MT | 944.34 | USD | 20251018 |
| Lihuayi Weiyuan Chem | China national standards | MT | 944.34 | USD | 20251018 |
| Beijing Yanshan Petro | China national standards | MT | 944.34 | USD | 20251018 |
| Lihuayi Weiyuan Chem | China national standards | MT | 1155.76 | USD | 20251018 |
| Beijing Yanshan Petro | China national standards | MT | 1169.85 | USD | 20251018 |
| Shandong Xima | China national standards | MT | 887.96 | USD | 20251018 |
| Shandong Qiangsen Chem | China national standards | MT | 930.25 | USD | 20251018 |
| Shandong Qiangsen Chem | China national standards | MT | 930.25 | USD | 20251018 |
| Zibo Jinshuo Chem | China national standards | MT | 944.34 | USD | 20251017 |
| Shandong Mingyu | China national standards | MT | 1050.05 | USD | 20251017 |