| Vendor | Spec | Unit | Price | Currency | Date |
| Suzhou Zixu Mat | China national standards | MT | 1241.82 | USD | 20251030 |
| Shandong Qiangsen Chem | China national standards | MT | 818.47 | USD | 20251030 |
| Shaanxi Petro Yanan | China national standards | MT | 1062.6 | USD | 20251030 |
| Wanhua Chem | China national standards | MT | 1023.09 | USD | 20251030 |
| Shandong Yeyang Chem | China national standards | MT | 776.13 | USD | 20251030 |
| Shandong Yeyang Chem | China national standards | MT | 804.36 | USD | 20251030 |
| Shandong Yeyang Chem | China national standards | MT | 776.13 | USD | 20251030 |
| Shandong Energy | China national standards | MT | 790.25 | USD | 20251030 |
| Wanhua Chem | China national standards | MT | 762.02 | USD | 20251030 |
| Shandong Zhiheng | China national standards | MT | 945.47 | USD | 20251030 |