| Vendor | Spec | Unit | Price | Currency | Date |
| Yangmei Taihua Coking Investment Co., Ltd. | China national standards | MT | 985.98 | USD | 20251015 |
| Shandong Shuojia Chemical Co., Ltd. | China national standards | MT | 1000.07 | USD | 20251015 |
| Shandong Shuojia Chemical Co., Ltd. | China national standards | MT | 985.98 | USD | 20251015 |
| Shandong Shuojia Chemical Co., Ltd. | China national standards | MT | 985.98 | USD | 20251015 |
| Shandong Shuojia Chemical Co., Ltd. | China national standards | MT | 985.98 | USD | 20251015 |
| Shandong Yushuo Chemical Co., Ltd. | China national standards | MT | 1000.07 | USD | 20251015 |
| Shandong Yushuo Chemical Co., Ltd. | China national standards | MT | 1000.07 | USD | 20251015 |
| Shandong Xima Supply Chain Management Co., Ltd. | China national standards | MT | 873.3 | USD | 20251015 |
| Shandong Qiangsen Chemical Co., Ltd. | China national standards | MT | 887.39 | USD | 20251015 |
| Shandong Qiangsen Chemical Co., Ltd. | China national standards | MT | 887.39 | USD | 20251015 |