| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Qiangsen Chem | China national standards | MT | 890.09 | USD | 20251127 |
| Shandong Xima | China national standards | MT | 875.97 | USD | 20251127 |
| Shandong Yushuo Chem | China national standards | MT | 932.48 | USD | 20251127 |
| Shandong Qiangsen Chem | China national standards | MT | 890.09 | USD | 20251127 |
| Shandong Shuojia Chem | China national standards | MT | 974.87 | USD | 20251127 |
| Jinan Jinrihe Chem | China national standards | MT | 932.48 | USD | 20251127 |
| Yangmei Taihua Coke | China national standards | MT | 988.99 | USD | 20251127 |
| Jinan Angxin Chem | China national standards | MT | 932.48 | USD | 20251127 |
| Jinan Angxin Chem | China national standards | MT | 932.48 | USD | 20251127 |
| Shandong Shuojia Chem | China national standards | MT | 974.87 | USD | 20251127 |