| Vendor | Spec | Unit | Price | Currency | Date |
| Xiamen Yudeshun Chem | China national standards | MT | 1680.2 | USD | 20251114 |
| Zibo Dehe Chem | China national standards | MT | 960.11 | USD | 20251114 |
| Nanjing Waien Chem | China national standards | MT | 945.99 | USD | 20251114 |
| Guangzhou Tianyue Chem | China national standards | MT | 1228.38 | USD | 20251114 |
| Guangzhou Tianyue Chem | China national standards | MT | 1214.26 | USD | 20251114 |
| Shandong Yushuo Chem | China national standards | MT | 931.87 | USD | 20251114 |
| Shandong Hualu | China national standards | MT | 1030.71 | USD | 20251114 |
| Zibo Dehe Chem | China national standards | MT | 945.99 | USD | 20251114 |
| Hubei 789 Chem | China national standards | MT | 1200.14 | USD | 20251114 |
| Yangmei Taihua Coke | China national standards | MT | 988.35 | USD | 20251114 |