| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Xima Supply Chain Management Co., Ltd. | China national standards | MT | 874.25 | USD | 20251023 |
| Shandong Qiangsen Chemical Co., Ltd. | China national standards | MT | 888.35 | USD | 20251023 |
| Jinan Jinrihe Chemical Co., Ltd. | China national standards | MT | 916.55 | USD | 20251023 |
| Shandong Yushuo Chemical Co., Ltd. | China national standards | MT | 1001.16 | USD | 20251023 |
| Shandong Shuojia Chemical Co., Ltd. | China national standards | MT | 987.06 | USD | 20251023 |
| Shandong Shuojia Chemical Co., Ltd. | China national standards | MT | 987.06 | USD | 20251023 |
| Shandong Yushuo Chemical Co., Ltd. | China national standards | MT | 987.06 | USD | 20251023 |
| Yangmei Taihua Coking Investment Co., Ltd. | China national standards | MT | 987.06 | USD | 20251023 |
| Jinan Angxin Chemical Co., Ltd. | China national standards | MT | 958.85 | USD | 20251023 |
| Jinan Angxin Chemical Co., Ltd. | China national standards | MT | 958.85 | USD | 20251023 |