| Vendor | Spec | Unit | Price | Currency | Date |
| Yangmei Taihua Coking Investment Co., Ltd. | China national standards | MT | 987.7 | USD | 20251119 |
| Shandong Yushuo Chemical Co., Ltd. | China national standards | MT | 973.59 | USD | 20251119 |
| Shandong Yushuo Chemical Co., Ltd. | China national standards | MT | 931.26 | USD | 20251119 |
| Shandong Yushuo Chemical Co., Ltd. | China national standards | MT | 931.26 | USD | 20251119 |
| Shandong Xima Supply Chain Management Co., Ltd. | China national standards | MT | 874.82 | USD | 20251119 |
| Shandong Yihe Fine Chemical Co., Ltd. | China national standards | MT | 1269.9 | USD | 20251119 |
| Shandong Yushuo Chemical Co., Ltd. | China national standards | MT | 973.59 | USD | 20251119 |
| Shandong Qiangsen Chemical Co., Ltd. | China national standards | MT | 888.93 | USD | 20251119 |
| Jinan Angxin Chemical Co., Ltd. | China national standards | MT | 959.48 | USD | 20251119 |
| Jinan Angxin Chemical Co., Ltd. | China national standards | MT | 959.48 | USD | 20251119 |