| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Mingyu Supply Chain Management Co., Ltd. | China national standards | MT | 1695.18 | USD | 20251129 |
| Shandong Qiangsen Chemical Co., Ltd. | China national standards | MT | 1059.49 | USD | 20251129 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 1175.32 | USD | 20251129 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 1596.29 | USD | 20251129 |
| Shandong Jinshengrun Chemical Co., Ltd. | China national standards | MT | 1582.17 | USD | 20251129 |
| Shandong Haili Chemical Industry Co., Ltd. | China national standards | MT | 1695.18 | USD | 20251129 |
| Jinan Jiaxing Chemical Co., Ltd. | China national standards | MT | 988.85 | USD | 20251129 |
| Shandong Yuxuan Chemical Products Co., Ltd. | China national standards | MT | 1822.32 | USD | 20251129 |
| Jinan Jiaxing Chemical Co., Ltd. | China national standards | MT | 1130.12 | USD | 20251129 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 1539.79 | USD | 20251129 |