| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Yushuo Chemical Co., Ltd. | China national standards | MT | 915.84 | USD | 20251020 |
| Shandong Yushuo Chemical Co., Ltd. | China national standards | MT | 916.15 | USD | 20251018 |
| Shandong Yushuo Chemical Co., Ltd. | China national standards | MT | 916.15 | USD | 20251018 |
| Shandong Yushuo Chemical Co., Ltd. | China national standards | MT | 930.25 | USD | 20251017 |
| Shandong Yushuo Chemical Co., Ltd. | China national standards | MT | 930.25 | USD | 20251017 |
| Shandong Yushuo Chemical Co., Ltd. | China national standards | MT | 930.0 | USD | 20251016 |
| Shandong Yushuo Chemical Co., Ltd. | China national standards | MT | 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 | 929.64 | USD | 20251015 |
| Shandong Yushuo Chemical Co., Ltd. | China national standards | MT | 929.3 | USD | 20251014 |