| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Yihe Fine Chemical Co., Ltd. | 85% | MT | 874.71 | USD | 20251027 |
| Shandong Yihe Fine Chemical Co., Ltd. | 85% | MT | 874.13 | USD | 20251024 |
| Shandong Yihe Fine Chemical Co., Ltd. | 85% | MT | 874.25 | USD | 20251023 |
| Shandong Yihe Fine Chemical Co., Ltd. | 85% | MT | 873.81 | USD | 20251022 |
| Shandong Yihe Fine Chemical Co., Ltd. | 85% | MT | 874.1 | USD | 20251021 |
| Shandong Yihe Fine Chemical Co., Ltd. | 85% | MT | 873.57 | USD | 20251020 |
| Shandong Yihe Fine Chemical Co., Ltd. | 85% | MT | 873.87 | USD | 20251017 |
| Shandong Yihe Fine Chemical Co., Ltd. | 85% | MT | 873.63 | USD | 20251016 |
| Shandong Yihe Fine Chemical Co., Ltd. | 85% | MT | 873.3 | USD | 20251015 |
| Shandong Yihe Fine Chemical Co., Ltd. | 85% | MT | 872.98 | USD | 20251014 |