| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Qiangsen Chemical Co., Ltd. | 37% | MT | 142.24 | USD | 20250623 |
| Huainan Guoke Ruida Chemical Product Sales Co., Ltd. | 37% | MT | 167.38 | USD | 20250621 |
| Shandong Qiangsen Chemical Co., Ltd. | 37% | MT | 142.27 | USD | 20250621 |
| Shandong Qiangsen Chemical Co., Ltd. | 37% | MT | 142.27 | USD | 20250620 |
| Shandong Qiangsen Chemical Co., Ltd. | 37% | MT | 142.2 | USD | 20250619 |
| Huainan Guoke Ruida Chemical Product Sales Co., Ltd. | 37% | MT | 167.3 | USD | 20250619 |
| Shandong Qiangsen Chemical Co., Ltd. | 37% | MT | 142.14 | USD | 20250618 |
| Huainan Guoke Ruida Chemical Product Sales Co., Ltd. | 37% | MT | 167.22 | USD | 20250618 |
| Shandong Qiangsen Chemical Co., Ltd. | 37% | MT | 142.14 | USD | 20250618 |
| Shandong Qiangsen Chemical Co., Ltd. | 37% | MT | 142.17 | USD | 20250617 |