| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Yihe Fine Chemical Co., Ltd. | China national standards | MT | 1266.09 | USD | 20250918 |
| Jinan Angxin Chemical Co., Ltd. | China national standards | MT | 984.74 | USD | 20250918 |
| Jinan Angxin Chemical Co., Ltd. | China national standards | MT | 984.74 | USD | 20250918 |
| Hubei Seven Eight Nine Chemical Co., Ltd. | China national standards | MT | 1195.75 | USD | 20250918 |
| Shandong Yuxuan Chemical Products Co., Ltd. | China national standards | MT | 998.8 | USD | 20250918 |
| Shandong Huize Chemical Technology Co., Ltd. | China national standards | MT | 1055.07 | USD | 20250918 |
| China national standards | MT | 970.67 | USD | 20250918 | |
| China national standards | MT | 970.67 | USD | 20250918 | |
| Shandong Qiangsen Chemical Co., Ltd. | China national standards | MT | 886.26 | USD | 20250918 |
| Shandong Qiangsen Chemical Co., Ltd. | China national standards | MT | 886.26 | USD | 20250918 |