| Vendor | Spec | Unit | Price | Currency | Date |
| Beijing Yanshan Petrol-Chemical Industry Co., Ltd. | China national standards | MT | 1220.65 | USD | 20251030 |
| Zibo Lishuo Chemical Trading Co., Ltd. | China national standards | MT | 987.81 | USD | 20251030 |
| Shandong Shuojia Chemical Co., Ltd. | China national standards | MT | 884.79 | USD | 20251030 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 1333.54 | USD | 20251030 |
| Zibo Lishuo Chemical Trading Co., Ltd. | China national standards | MT | 987.81 | USD | 20251030 |
| Shandong Jinwen Chemical Co., Ltd. | China national standards | MT | 1199.48 | USD | 20251030 |
| Xiamen Yudeshun Chemical Products Co., Ltd. | China national standards | MT | 1340.6 | USD | 20251030 |
| Shandong Qiangsen Chemical Co., Ltd. | China national standards | MT | 1044.25 | USD | 20251030 |
| Shandong Yushuo Chemical Co., Ltd. | China national standards | MT | 889.03 | USD | 20251030 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 1298.26 | USD | 20251030 |