| Vendor | Spec | Unit | Price | Currency | Date |
| Liaocheng Yuanze Chemical Co., Ltd. | China national standards | MT | 1154.15 | USD | 20251012 |
| Shandong Luxi Chemical Co., Ltd. | China national standards | MT | 1013.4 | USD | 20251012 |
| Shandong Jinshengrun Chemical Co., Ltd. | China national standards | MT | 985.25 | USD | 20251012 |
| Shandong Yuxuan Chemical Products Co., Ltd. | China national standards | MT | 1034.51 | USD | 20251011 |
| Shandong Aite Chemical Co., Ltd. | China national standards | MT | 1196.37 | USD | 20251011 |
| Jinan Jinrihe Chemical Co., Ltd. | China national standards | MT | 1069.7 | USD | 20251011 |
| Shandong Yeyang Chemical Co., Ltd. | China national standards | MT | 985.25 | USD | 20251011 |
| Shandong Yuxuan Chemical Products Co., Ltd. | China national standards | MT | 1034.51 | USD | 20251011 |
| Shandong Yuxuan Chemical Products Co., Ltd. | China national standards | MT | 978.21 | USD | 20251011 |
| Shandong Yeyang Chemical Co., Ltd. | China national standards | MT | 985.25 | USD | 20251011 |