| Vendor | Spec | Unit | Price | Currency | Date |
| China national standards | MT | 970.67 | USD | 20250918 | |
| Zibo Dehe Chemical Co., Ltd. | China national standards | MT | 1322.36 | 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 |
| Jinan Angxin Chemical Co., Ltd. | China national standards | MT | 984.74 | USD | 20250918 |
| Zibo Dehe Chemical Co., Ltd. | China national standards | MT | 1012.87 | USD | 20250918 |
| Shandong Yihe Fine Chemical Co., Ltd. | China national standards | MT | 1266.09 | USD | 20250918 |
| Shandong Fushengyong Trading Co., Ltd. | China national standards | MT | 1097.28 | USD | 20250918 |
| Shandong Fushengyong Trading Co., Ltd. | China national standards | MT | 1097.28 | USD | 20250918 |
| Shandong Fushengyong Trading Co., Ltd. | China national standards | MT | 886.26 | USD | 20250918 |