| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Yushuo Chemical Co., Ltd. | China national standards | MT | 205.13 | USD | 20251211 |
| Shandong Yushuo Chemical Co., Ltd. | China national standards | MT | 204.94 | USD | 20251210 |
| Shandong Yushuo Chemical Co., Ltd. | China national standards | MT | 204.88 | USD | 20251209 |
| Shandong Yushuo Chemical Co., Ltd. | China national standards | MT | 204.91 | USD | 20251208 |
| Shandong Yushuo Chemical Co., Ltd. | China national standards | MT | 204.95 | USD | 20251205 |
| Shandong Yushuo Chemical Co., Ltd. | China national standards | MT | 205.0 | USD | 20251204 |
| Shandong Yushuo Chemical Co., Ltd. | China national standards | MT | 204.94 | USD | 20251203 |
| Shandong Yushuo Chemical Co., Ltd. | China national standards | MT | 204.82 | USD | 20251202 |
| Shandong Yushuo Chemical Co., Ltd. | China national standards | MT | 204.92 | USD | 20251201 |
| Shandong Yushuo Chemical Co., Ltd. | China national standards | MT | 204.83 | USD | 20251128 |