| Vendor | Spec | Unit | Price | Currency | Date |
| Jinan Aochen Chemical Co., Ltd. | China national standards | MT | 1313.67 | USD | 20251202 |
| Jiangsu Yingte Chemical Co., Ltd. | China national standards | MT | 1144.16 | USD | 20251202 |
| Jinan Aochen Chemical Co., Ltd. | China national standards | MT | 1356.05 | USD | 20251202 |
| Shandong Yuxuan Chemical Products Co., Ltd. | China national standards | MT | 1822.19 | USD | 20251202 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 1539.68 | USD | 20251202 |
| Dongying Hebang Chemical Co., Ltd. | China national standards | MT | 1356.05 | USD | 20251202 |
| Shandong Jinshengrun Chemical Co., Ltd. | China national standards | MT | 1582.05 | USD | 20251202 |
| Jinan Aochen Chemical Co., Ltd. | China national standards | MT | 1271.29 | USD | 20251202 |
| Jinan Aochen Chemical Co., Ltd. | China national standards | MT | 1356.05 | USD | 20251202 |
| Shandong Shuojia Chemical Co., Ltd. | China national standards | MT | 1567.93 | USD | 20251202 |