| Vendor | Spec | Unit | Price | Currency | Date |
| Yangmei Taihua Coking Investment Co., Ltd. | China national standards | MT | 983.81 | USD | 20250928 |
| Jinan Angxin Chemical Co., Ltd. | China national standards | MT | 983.81 | USD | 20250928 |
| Jinan Angxin Chemical Co., Ltd. | China national standards | MT | 983.81 | USD | 20250928 |
| Jinan Angxin Chemical Co., Ltd. | China national standards | MT | 983.81 | USD | 20250928 |
| China national standards | MT | 1096.24 | USD | 20250928 | |
| Zibo Dehe Chemical Co., Ltd. | China national standards | MT | 1011.92 | USD | 20250928 |
| Shandong Yihe Fine Chemical Co., Ltd. | China national standards | MT | 1264.9 | USD | 20250928 |
| Jinan Jinrihe Chemical Co., Ltd. | China national standards | MT | 913.54 | USD | 20250928 |
| Jinan Jinrihe Chemical Co., Ltd. | China national standards | MT | 899.48 | USD | 20250928 |
| Shandong Xima Supply Chain Management Co., Ltd. | China national standards | MT | 871.37 | USD | 20250928 |