| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Yushuo Chemical Co., Ltd. | China national standards | MT | 929.3 | USD | 20251014 |
| Shandong Yushuo Chemical Co., Ltd. | China national standards | MT | 964.69 | USD | 20251013 |
| Shandong Yushuo Chemical Co., Ltd. | China national standards | MT | 964.69 | USD | 20251013 |
| Shandong Yushuo Chemical Co., Ltd. | China national standards | MT | 964.69 | USD | 20251013 |
| Shandong Yushuo Chemical Co., Ltd. | China national standards | MT | 964.14 | USD | 20251011 |
| Shandong Yushuo Chemical Co., Ltd. | China national standards | MT | 964.14 | USD | 20251011 |
| Shandong Yushuo Chemical Co., Ltd. | China national standards | MT | 964.14 | USD | 20251010 |
| Shandong Yushuo Chemical Co., Ltd. | China national standards | MT | 964.14 | USD | 20251010 |
| Shandong Yushuo Chemical Co., Ltd. | China national standards | MT | 1005.6 | USD | 20251009 |
| Shandong Yushuo Chemical Co., Ltd. | China national standards | MT | 1006.26 | USD | 20250930 |