| Vendor | Spec | Unit | Price | Currency | Date |
| Huainan Guoke Ruida Chemical Product Sales Co., Ltd. | 37% | MT | 167.22 | USD | 20250327 |
| Huainan Guoke Ruida Chemical Product Sales Co., Ltd. | 37% | MT | 167.24 | USD | 20250326 |
| Huainan Guoke Ruida Chemical Product Sales Co., Ltd. | 37% | MT | 167.16 | USD | 20250325 |
| China national standards | MT | 620.0 | USD | 20210323 | |
| China national standards | MT | 870.0 | USD | 20210323 | |
| China national standards | MT | 40.0 | USD | 20210322 | |
| China national standards | MT | 40.0 | USD | 20210321 | |
| China national standards | MT | 80.0 | USD | 20210321 | |
| China national standards | MT | 100.0 | USD | 20210320 | |
| China national standards | MT | 100.0 | USD | 20210318 |