| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Yushuo Chemical Co., Ltd. | China national standards | MT | 990.3 | USD | 20251211 |
| Shandong Yushuo Chemical Co., Ltd. | China national standards | MT | 989.08 | USD | 20251209 |
| Shandong Yushuo Chemical Co., Ltd. | China national standards | MT | 989.2 | USD | 20251208 |
| Shandong Yushuo Chemical Co., Ltd. | China national standards | MT | 975.28 | USD | 20251205 |
| Shandong Yushuo Chemical Co., Ltd. | China national standards | MT | 975.5 | USD | 20251204 |
| Shandong Yushuo Chemical Co., Ltd. | China national standards | MT | 946.94 | USD | 20251203 |
| Shandong Yushuo Chemical Co., Ltd. | China national standards | MT | 911.09 | USD | 20251202 |
| Shandong Yushuo Chemical Co., Ltd. | China national standards | MT | 911.54 | USD | 20251201 |
| Shandong Yushuo Chemical Co., Ltd. | China national standards | MT | 826.4 | USD | 20251128 |
| Shandong Yushuo Chemical Co., Ltd. | China national standards | MT | 826.52 | USD | 20251127 |