| Vendor | Spec | Unit | Price | Currency | Date |
| Zibo Dehe Chemical Co., Ltd. | China national standards | MT | 985.25 | USD | 20251010 |
| Wuhan Hengjiu Chemical Co., Ltd. | China national standards | MT | 957.1 | USD | 20251010 |
| Xiamen Yudeshun Chemical Products Co., Ltd. | China national standards | MT | 1674.92 | USD | 20251010 |
| China national standards | MT | 1097.85 | USD | 20251010 | |
| Shandong Xima Supply Chain Management Co., Ltd. | China national standards | MT | 872.65 | USD | 20251010 |
| Shandong Qiangsen Chemical Co., Ltd. | China national standards | MT | 886.72 | USD | 20251010 |
| Shandong Qiangsen Chemical Co., Ltd. | China national standards | MT | 886.72 | USD | 20251010 |
| Shandong Qiangsen Chemical Co., Ltd. | China national standards | MT | 886.72 | USD | 20251010 |
| Shandong Qiangsen Chemical Co., Ltd. | China national standards | MT | 886.72 | USD | 20251010 |
| Yangmei Taihua Coking Investment Co., Ltd. | China national standards | MT | 957.1 | USD | 20251010 |