| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Qiangsen Chem | China national standards | MT | 886.72 | USD | 20251010 |
| Shandong Qiangsen Chem | China national standards | MT | 886.72 | USD | 20251010 |
| Shandong Qiangsen Chem | China national standards | MT | 886.72 | USD | 20251010 |
| Yangmei Taihua Coke | China national standards | MT | 957.1 | USD | 20251010 |
| Zibo Zhongsheng Chem | China national standards | MT | 1337.12 | USD | 20251010 |
| Zibo Zhongsheng Chem | China national standards | MT | 1407.5 | USD | 20251010 |
| Shandong Haili Chem | China national standards | MT | 1266.75 | USD | 20251010 |
| Zibo Zhongsheng Chem | China national standards | MT | 971.17 | USD | 20251010 |
| Shandong Yihe Chem | China national standards | MT | 1266.75 | USD | 20251010 |
| Shandong Fusheng | China national standards | MT | 886.72 | USD | 20251010 |