| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Yushuo Chemical Co., Ltd. | China national standards | MT | 846.05 | USD | 20251023 |
| Shandong Yushuo Chemical Co., Ltd. | China national standards | MT | 859.71 | USD | 20251022 |
| Shandong Yushuo Chemical Co., Ltd. | China national standards | MT | 888.2 | USD | 20251021 |
| Shandong Yushuo Chemical Co., Ltd. | China national standards | MT | 887.66 | USD | 20251020 |
| Shandong Yushuo Chemical Co., Ltd. | China national standards | MT | 930.25 | USD | 20251018 |
| Shandong Yushuo Chemical Co., Ltd. | China national standards | MT | 930.25 | USD | 20251017 |
| Shandong Yushuo Chemical Co., Ltd. | China national standards | MT | 930.0 | USD | 20251016 |
| Shandong Yushuo Chemical Co., Ltd. | China national standards | MT | 929.64 | USD | 20251015 |
| Shandong Yushuo Chemical Co., Ltd. | China national standards | MT | 929.3 | USD | 20251014 |
| Shandong Yushuo Chemical Co., Ltd. | China national standards | MT | 929.49 | USD | 20251013 |