| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Mingyu Supply Chain Management Co., Ltd. | China national standards | MT | 1226.23 | USD | 20251017 |
| Shandong Qiangsen Chemical Co., Ltd. | China national standards | MT | 958.43 | USD | 20251017 |
| Shandong Xima Supply Chain Management Co., Ltd. | China national standards | MT | 930.25 | USD | 20251017 |
| Liaocheng Yuanze Chemical Co., Ltd. | China national standards | MT | 1155.76 | USD | 20251017 |
| Shandong Luxi Chemical Co., Ltd. | China national standards | MT | 986.62 | USD | 20251017 |
| Shandong Jinwen Chemical Co., Ltd. | China national standards | MT | 986.62 | USD | 20251017 |
| Shandong Aite Chemical Co., Ltd. | China national standards | MT | 1296.71 | USD | 20251017 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 1303.75 | USD | 20251017 |
| Shandong Yuxuan Chemical Products Co., Ltd. | China national standards | MT | 979.58 | USD | 20251017 |
| Shandong Yuxuan Chemical Products Co., Ltd. | China national standards | MT | 979.58 | USD | 20251017 |