| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Qiangsen Chemical Co., Ltd. | China national standards | MT | 1060.09 | USD | 20251206 |
| Shandong Yuxuan Chemical Products Co., Ltd. | China national standards | MT | 1823.35 | USD | 20251206 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 1512.39 | USD | 20251205 |
| Jinan Jiaxing Chemical Co., Ltd. | China national standards | MT | 1130.76 | USD | 20251205 |
| Jiangsu Yingte Chemical Co., Ltd. | China national standards | MT | 1356.91 | USD | 20251205 |
| Jinan Aochen Chemical Co., Ltd. | China national standards | MT | 1272.1 | USD | 20251205 |
| Shandong Mingyu Supply Chain Management Co., Ltd. | China national standards | MT | 1696.14 | USD | 20251205 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 1512.39 | USD | 20251205 |
| Dongying Hebang Chemical Co., Ltd. | China national standards | MT | 1356.91 | USD | 20251205 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 1512.39 | USD | 20251205 |