| Vendor | Spec | Unit | Price | Currency | Date |
| Dongying Liancheng Chemical Co., Ltd. | China national standards | MT | 1195.75 | USD | 20250918 |
| Shandong Junfeng New Materials Co., Ltd. | China national standards | MT | 914.4 | USD | 20250918 |
| Jinan Jiaxing Chemical Co., Ltd. | China national standards | MT | 1125.41 | USD | 20250918 |
| Jiangsu Haixing Chemical Co., Ltd. | China national standards | MT | 1139.48 | USD | 20250918 |
| Jinan Dezheng Chemical Co., Ltd. | China national standards | MT | 1434.9 | USD | 20250918 |
| Jiangsu Yingte Chemical Co., Ltd. | China national standards | MT | 1477.1 | USD | 20250918 |
| Jinan Jiaxing Chemical Co., Ltd. | China national standards | MT | 984.74 | USD | 20250918 |
| Hubei Seven Eight Nine Chemical Co., Ltd. | China national standards | MT | 1125.41 | USD | 20250918 |
| Shandong Junfeng New Materials Co., Ltd. | China national standards | MT | 921.43 | USD | 20250918 |
| Shandong Shuojia Chemical Co., Ltd. | China national standards | MT | 1786.59 | USD | 20250918 |