| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Qiangsen Chemical Co., Ltd. | 37% | MT | 141.58 | USD | 20250428 |
| Huainan Guoke Ruida Chemical Product Sales Co., Ltd. | 37% | MT | 166.57 | USD | 20250428 |
| Huainan Guoke Ruida Chemical Product Sales Co., Ltd. | 37% | MT | 166.51 | USD | 20250427 |
| Shandong Qiangsen Chemical Co., Ltd. | 37% | MT | 141.54 | USD | 20250427 |
| Huainan Guoke Ruida Chemical Product Sales Co., Ltd. | 37% | MT | 166.51 | USD | 20250426 |
| Huainan Guoke Ruida Chemical Product Sales Co., Ltd. | 37% | MT | 166.51 | USD | 20250425 |
| Huainan Guoke Ruida Chemical Product Sales Co., Ltd. | 37% | MT | 166.4 | USD | 20250423 |
| Shandong Qiangsen Chemical Co., Ltd. | 37% | MT | 141.52 | USD | 20250422 |
| Huainan Guoke Ruida Chemical Product Sales Co., Ltd. | 37% | MT | 166.5 | USD | 20250422 |
| Huainan Guoke Ruida Chemical Product Sales Co., Ltd. | 37% | MT | 166.54 | USD | 20250421 |