| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Yushuo Chemical Co., Ltd. | China national standards | MT | 1040.7 | USD | 20250922 |
| Yangmei Taihua Coking Investment Co., Ltd. | China national standards | MT | 984.45 | USD | 20250922 |
| Xiamen Yudeshun Chemical Products Co., Ltd. | China national standards | MT | 1673.56 | USD | 20250922 |
| China national standards | MT | 1096.95 | USD | 20250922 | |
| Jinan Angxin Chemical Co., Ltd. | China national standards | MT | 984.45 | USD | 20250922 |
| Jinan Angxin Chemical Co., Ltd. | China national standards | MT | 984.45 | USD | 20250922 |
| Jinan Angxin Chemical Co., Ltd. | China national standards | MT | 984.45 | USD | 20250922 |
| Shandong Xima Supply Chain Management Co., Ltd. | China national standards | MT | 871.94 | USD | 20250922 |
| Shandong Fushengyong Trading Co., Ltd. | China national standards | MT | 1096.95 | USD | 20250922 |
| Shandong Fushengyong Trading Co., Ltd. | China national standards | MT | 886.0 | USD | 20250922 |