| Vendor | Spec | Unit | Price | Currency | Date |
| Qingdao Shengze Chem | China national standards | MT | 971.17 | USD | 20251011 |
| Shandong Yuxuan Chem | China national standards | MT | 985.25 | USD | 20251011 |
| Jinan Jinrihe Chem | China national standards | MT | 914.87 | USD | 20251011 |
| Jinan Jinrihe Chem | China national standards | MT | 914.87 | USD | 20251011 |
| Jinan Jinrihe Chem | China national standards | MT | 900.8 | USD | 20251011 |
| Jinan Jinrihe Chem | China national standards | MT | 900.8 | USD | 20251011 |
| Yangmei Taihua Coke | China national standards | MT | 985.25 | USD | 20251011 |
| Shandong Yushuo Chem | China national standards | MT | 999.32 | USD | 20251011 |
| Shandong Yushuo Chem | China national standards | MT | 999.32 | USD | 20251011 |
| Shandong Yushuo Chem | China national standards | MT | 999.32 | USD | 20251011 |