| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Qiangsen Chemical Co., Ltd. | 55% | MT | 636.05 | USD | 20251205 |
| Shandong Qiangsen Chemical Co., Ltd. | 55% | MT | 636.2 | USD | 20251204 |
| Shandong Qiangsen Chemical Co., Ltd. | 40% | MT | 494.82 | USD | 20251204 |
| Shandong Qiangsen Chemical Co., Ltd. | 55% | MT | 636.01 | USD | 20251203 |
| Shandong Qiangsen Chemical Co., Ltd. | 40% | MT | 494.67 | USD | 20251203 |
| Shandong Qiangsen Chemical Co., Ltd. | 55% | MT | 635.65 | USD | 20251202 |
| Shandong Qiangsen Chemical Co., Ltd. | 40% | MT | 494.64 | USD | 20251201 |
| Shandong Qiangsen Chemical Co., Ltd. | 55% | MT | 635.96 | USD | 20251201 |
| Shandong Qiangsen Chemical Co., Ltd. | 40% | MT | 494.43 | USD | 20251129 |
| Shandong Qiangsen Chemical Co., Ltd. | 55% | MT | 635.69 | USD | 20251129 |