| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Yushuo Chem | China national standards | MT | 1020.34 | USD | 20250930 |
| Shandong Yushuo Chem | China national standards | MT | 1041.45 | USD | 20250930 |
| Yangmei Taihua Coke | China national standards | MT | 985.15 | USD | 20250930 |
| Shandong Yushuo Chem | China national standards | MT | 999.23 | USD | 20250930 |
| Shandong Xima | China national standards | MT | 872.56 | USD | 20250930 |
| Shandong Qiangsen Chem | China national standards | MT | 886.64 | USD | 20250930 |
| Shandong Qiangsen Chem | China national standards | MT | 886.64 | USD | 20250930 |
| Shandong Daoqin Chem | China national standards | MT | 985.15 | USD | 20250930 |
| Shandong Shuojia Chem | China national standards | MT | 1020.34 | USD | 20250930 |
| Shandong Shuojia Chem | China national standards | MT | 1048.48 | USD | 20250930 |