| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Qiangsen Chemical Co., Ltd. | China national standards | MT | 987.57 | USD | 20251027 |
| Shandong Mingyu Supply Chain Management Co., Ltd. | China national standards | MT | 1220.36 | USD | 20251027 |
| Shandong Aite Chemical Co., Ltd. | China national standards | MT | 1142.76 | USD | 20251027 |
| Shandong Hongyang Chemical Co., Ltd. | China national standards | MT | 1121.6 | USD | 20251027 |
| Shandong Yuxuan Chemical Products Co., Ltd. | China national standards | MT | 1312.06 | USD | 20251027 |
| Shandong Mingyu Supply Chain Management Co., Ltd. | China national standards | MT | 1213.3 | USD | 20251027 |
| Shandong Jinling Chemical Ao.,ltd | China national standards | MT | 1241.52 | USD | 20251027 |
| Shandong Jinling Chemical Ao.,ltd | China national standards | MT | 1043.31 | USD | 20251026 |
| Dongying Huatai Fine Chemical Co., Ltd. | China national standards | MT | 1043.31 | USD | 20251026 |
| Shandong Jinling Chemical Ao.,ltd | China national standards | MT | 1057.41 | USD | 20251026 |