| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Shuojia Chem | China national standards | MT | 932.56 | USD | 20251209 |
| Shandong Qiangsen Chem | China national standards | MT | 890.17 | USD | 20251209 |
| Zibo Dehe Chem | China national standards | MT | 946.69 | USD | 20251209 |
| Shandong Hualu | China national standards | MT | 939.62 | USD | 20251209 |
| Jinan Jinrihe Chem | China national standards | MT | 932.56 | USD | 20251209 |
| Shandong Aite Chem | China national standards | MT | 1130.37 | USD | 20251209 |
| Yangmei Taihua Coke | China national standards | MT | 918.43 | USD | 20251209 |
| Guangzhou Tianyue Chem | China national standards | MT | 1215.15 | USD | 20251209 |
| Zibo Zhongsheng Chem | China national standards | MT | 946.69 | USD | 20251209 |
| Shandong Yushuo Chem | China national standards | MT | 974.95 | USD | 20251209 |