| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Qiangsen Chemical Co., Ltd. | 37% | MT | 141.89 | USD | 20250610 |
| Shandong Qiangsen Chemical Co., Ltd. | 37% | MT | 141.89 | USD | 20250609 |
| Shandong Qiangsen Chemical Co., Ltd. | 37% | MT | 141.89 | USD | 20250607 |
| Shandong Qiangsen Chemical Co., Ltd. | 37% | MT | 141.89 | USD | 20250606 |
| Shandong Qiangsen Chemical Co., Ltd. | 37% | MT | 141.89 | USD | 20250605 |
| Shandong Qiangsen Chemical Co., Ltd. | 37% | MT | 141.89 | USD | 20250604 |
| Shandong Qiangsen Chemical Co., Ltd. | 37% | MT | 141.92 | USD | 20250603 |
| Shandong Qiangsen Chemical Co., Ltd. | 37% | MT | 141.97 | USD | 20250530 |
| Shandong Qiangsen Chemical Co., Ltd. | 37% | MT | 141.85 | USD | 20250529 |
| Shandong Qiangsen Chemical Co., Ltd. | 37% | MT | 141.88 | USD | 20250528 |