| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Daoqin Chem | China national standards | MT | 918.69 | USD | 20251210 |
| Yangmei Taihua Coke | China national standards | MT | 989.36 | USD | 20251210 |
| Shandong Shuojia Chem | China national standards | MT | 932.82 | USD | 20251210 |
| Shandong Hualu | China national standards | MT | 975.22 | USD | 20251210 |
| Shandong Aite Chem | China national standards | MT | 1130.69 | USD | 20251210 |
| Shandong Qiangsen Chem | China national standards | MT | 890.42 | USD | 20251210 |
| Qingdao Shengze Chem | China national standards | MT | 911.62 | USD | 20251210 |
| Zibo Zhongsheng Chem | China national standards | MT | 1272.03 | USD | 20251210 |
| Hubei 789 Chem | China national standards | MT | 1201.36 | USD | 20251210 |
| Jinan Jinrihe Chem | China national standards | MT | 904.56 | USD | 20251210 |