| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Qiangsen Chem | China national standards | MT | 932.26 | USD | 20251126 |
| Sinopec | China national standards | MT | 995.82 | USD | 20251126 |
| Qingdao Shengze Chem | China national standards | MT | 875.38 | USD | 20251125 |
| Shandong Mingyu | China national standards | MT | 1051.87 | USD | 20251125 |
| JS Xiaomi Chem | China national standards | MT | 875.38 | USD | 20251125 |
| Zibo Jinshuo Chem | China national standards | MT | 917.74 | USD | 20251125 |
| Sinopec | China national standards | MT | 995.4 | USD | 20251125 |
| Shandong Xingpeng Chem | China national standards | MT | 861.27 | USD | 20251125 |
| Qingdao Shengze Chem | China national standards | MT | 875.38 | USD | 20251125 |
| Qingdao Shengze Chem | China national standards | MT | 875.38 | USD | 20251125 |