| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Fushengyong Trading Co., Ltd. | China national standards | MT | 784.92 | USD | 20250807 |
| Shandong Qiangsen Chemical Co., Ltd. | China national standards | MT | 798.93 | USD | 20250807 |
| Shandong Qiangsen Chemical Co., Ltd. | China national standards | MT | 798.93 | USD | 20250807 |
| Shandong Jinwen Chemical Co., Ltd. | China national standards | MT | 847.99 | USD | 20250807 |
| China national standards | MT | 1300.0 | USD | 20210323 | |
| China national standards | MT | 1070.0 | USD | 20210323 | |
| China national standards | MT | 1190.0 | USD | 20210323 | |
| China national standards | MT | 1190.0 | USD | 20210323 | |
| China national standards | MT | 1080.0 | USD | 20210323 | |
| China national standards | MT | 1190.0 | USD | 20210323 |