| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Yushuo Chemical Co., Ltd. | China national standards | MT | 844.42 | USD | 20250930 |
| Shandong Yushuo Chemical Co., Ltd. | China national standards | MT | 844.42 | USD | 20250930 |
| Shandong Yushuo Chemical Co., Ltd. | China national standards | MT | 900.28 | USD | 20250929 |
| Shandong Yushuo Chemical Co., Ltd. | China national standards | MT | 844.01 | USD | 20250929 |
| Shandong Yushuo Chemical Co., Ltd. | China national standards | MT | 844.01 | USD | 20250929 |
| Shandong Yushuo Chemical Co., Ltd. | China national standards | MT | 899.48 | USD | 20250928 |
| Shandong Yushuo Chemical Co., Ltd. | China national standards | MT | 843.27 | USD | 20250928 |
| Shandong Yushuo Chemical Co., Ltd. | China national standards | MT | 843.27 | USD | 20250927 |
| Shandong Yushuo Chemical Co., Ltd. | China national standards | MT | 843.27 | USD | 20250927 |
| Shandong Yushuo Chemical Co., Ltd. | China national standards | MT | 843.27 | USD | 20250926 |