| Vendor | Spec | Unit | Price | Currency | Date |
| Hangjin Technology Co., Ltd. | China national standards | MT | 1013.4 | USD | 20251010 |
| Xiamen Yudeshun Chemical Products Co., Ltd. | China national standards | MT | 1618.62 | USD | 20251010 |
| Shandong Xima Supply Chain Management Co., Ltd. | China national standards | MT | 957.1 | USD | 20251010 |
| Shandong Qiangsen Chemical Co., Ltd. | China national standards | MT | 985.25 | USD | 20251010 |
| Shandong Qiangsen Chemical Co., Ltd. | China national standards | MT | 985.25 | USD | 20251010 |
| Shandong Jinwen Chemical Co., Ltd. | China national standards | MT | 1210.45 | USD | 20251010 |
| Shandong Yihe Fine Chemical Co., Ltd. | China national standards | MT | 1055.62 | USD | 20251010 |
| Shandong Yihe Fine Chemical Co., Ltd. | China national standards | MT | 943.02 | USD | 20251010 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 1171.04 | USD | 20251010 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 1196.37 | USD | 20251010 |