| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Mingyu Supply Chain Management Co., Ltd. | China national standards | MT | 1242.66 | USD | 20251117 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 1073.2 | USD | 20251117 |
| Shandong Jinling Chemical Ao.,ltd | China national standards | MT | 1073.2 | USD | 20251117 |
| Jia'en Chemical (Shandong) Co., Ltd. | China national standards | MT | 1181.94 | USD | 20251117 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 1073.2 | USD | 20251117 |
| Shandong Yuxuan Chemical Products Co., Ltd. | China national standards | MT | 1270.9 | USD | 20251117 |
| Shandong Mingyu Supply Chain Management Co., Ltd. | China national standards | MT | 1242.66 | USD | 20251117 |
| Hangjin Technology Co., Ltd. | China national standards | MT | 1016.72 | USD | 20251117 |
| Shandong Aite Chemical Co., Ltd. | China national standards | MT | 1270.9 | USD | 20251117 |
| Shandong Aite Chemical Co., Ltd. | China national standards | MT | 1143.81 | USD | 20251117 |