| Vendor | Spec | Unit | Price | Currency | Date |
| Yangmei Taihua Coking Investment Co., Ltd. | China national standards | MT | 985.12 | USD | 20250923 |
| Shandong Yushuo Chemical Co., Ltd. | China national standards | MT | 1041.42 | USD | 20250923 |
| Shandong Yushuo Chemical Co., Ltd. | China national standards | MT | 999.2 | USD | 20250923 |
| Shandong Shuojia Chemical Co., Ltd. | China national standards | MT | 1048.45 | USD | 20250923 |
| Shandong Shuojia Chemical Co., Ltd. | China national standards | MT | 1048.45 | USD | 20250923 |
| Shandong Shuojia Chemical Co., Ltd. | China national standards | MT | 1048.45 | USD | 20250923 |
| Shandong Shuojia Chemical Co., Ltd. | China national standards | MT | 1048.45 | USD | 20250923 |
| Shandong Shuojia Chemical Co., Ltd. | China national standards | MT | 1048.45 | USD | 20250923 |
| Shandong Shuojia Chemical Co., Ltd. | China national standards | MT | 1048.45 | USD | 20250923 |
| Xiamen Yudeshun Chemical Products Co., Ltd. | China national standards | MT | 1674.71 | USD | 20250923 |