| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Yushuo Chem | China national standards | MT | 932.81 | USD | 20251203 |
| Shandong Qiangsen Chem | China national standards | MT | 890.41 | USD | 20251203 |
| Shandong Guanjiu Energy | China national standards | MT | 961.08 | USD | 20251203 |
| Shandong Shuojia Chem | China national standards | MT | 975.21 | USD | 20251203 |
| Qingdao Shengze Chem | China national standards | MT | 911.61 | USD | 20251203 |
| Shandong Shuojia Chem | China national standards | MT | 975.21 | USD | 20251203 |
| Yangmei Taihua Coke | China national standards | MT | 989.34 | USD | 20251203 |
| Shandong Hualu | China national standards | MT | 1031.74 | USD | 20251203 |
| Hubei 789 Chem | China national standards | MT | 1201.35 | USD | 20251203 |
| Shandong Yihe Chem | China national standards | MT | 1272.01 | USD | 20251203 |