| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Yeyang Chemical Co., Ltd. | China national standards | MT | 984.5 | USD | 20251009 |
| Shandong Yeyang Chemical Co., Ltd. | China national standards | MT | 984.5 | USD | 20251009 |
| Shandong Yuxuan Chemical Products Co., Ltd. | China national standards | MT | 1033.73 | USD | 20251009 |
| Shandong Yuxuan Chemical Products Co., Ltd. | China national standards | MT | 1033.73 | USD | 20251009 |
| Shandong Yuxuan Chemical Products Co., Ltd. | China national standards | MT | 977.47 | USD | 20251009 |
| Shandong Laya Chemical Co., Ltd. | China national standards | MT | 928.24 | USD | 20251009 |
| Shandong Luxi Chemical Co., Ltd. | China national standards | MT | 956.37 | USD | 20251009 |
| Shandong Luxi Chemical Co., Ltd. | China national standards | MT | 1012.63 | USD | 20251009 |
| Jinan Angxin Chemical Co., Ltd. | China national standards | MT | 991.53 | USD | 20251009 |
| Shandong Luxi Chemical Co., Ltd. | China national standards | MT | 1265.79 | USD | 20251009 |