| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Shuojia Chemical Co., Ltd. | China national standards | MT | 1047.41 | USD | 20250920 |
| Shandong Shuojia Chemical Co., Ltd. | China national standards | MT | 1047.41 | USD | 20250920 |
| Shandong Haili Chemical Industry Co., Ltd. | China national standards | MT | 1124.73 | USD | 20250920 |
| Shandong Shuojia Chemical Co., Ltd. | China national standards | MT | 1047.41 | USD | 20250920 |
| Yangmei Taihua Coking Investment Co., Ltd. | China national standards | MT | 984.14 | USD | 20250920 |
| Shandong Aite Chemical Co., Ltd. | China national standards | MT | 1096.61 | USD | 20250920 |
| Shandong Aite Chemical Co., Ltd. | China national standards | MT | 1124.73 | USD | 20250920 |
| Shandong Yushuo Chemical Co., Ltd. | China national standards | MT | 998.2 | USD | 20250920 |
| Shandong Shuojia Chemical Co., Ltd. | China national standards | MT | 1047.41 | USD | 20250920 |
| Shandong Aite Chemical Co., Ltd. | China national standards | MT | 1096.61 | USD | 20250920 |