| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Yushuo Chemical Co., Ltd. | China national standards | MT | 1040.38 | USD | 20250919 |
| Yangmei Taihua Coking Investment Co., Ltd. | China national standards | MT | 984.14 | USD | 20250919 |
| Jinan Angxin Chemical Co., Ltd. | China national standards | MT | 984.14 | USD | 20250919 |
| Guangzhou Tianyue Chemical Co., Ltd. | China national standards | MT | 1223.15 | USD | 20250919 |
| Hubei Seven Eight Nine Chemical Co., Ltd. | China national standards | MT | 1195.03 | USD | 20250919 |
| Jinan Jinrihe Chemical Co., Ltd. | China national standards | MT | 899.79 | USD | 20250919 |
| Hubei Seven Eight Nine Chemical Co., Ltd. | China national standards | MT | 1195.03 | USD | 20250919 |
| Xiamen Yudeshun Chemical Products Co., Ltd. | China national standards | MT | 1673.04 | USD | 20250919 |
| Shandong Haili Chemical Industry Co., Ltd. | China national standards | MT | 1195.03 | USD | 20250919 |
| Zibo Dehe Chemical Co., Ltd. | China national standards | MT | 1012.26 | USD | 20250919 |