| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Yushuo Chemical Co., Ltd. | China national standards | MT | 260.35 | USD | 20250924 |
| Shandong Yushuo Chemical Co., Ltd. | China national standards | MT | 260.35 | USD | 20250924 |
| Shandong Yushuo Chemical Co., Ltd. | China national standards | MT | 260.35 | USD | 20250924 |
| Shandong Yushuo Chemical Co., Ltd. | China national standards | MT | 260.35 | USD | 20250924 |
| Shandong Aite Chemical Co., Ltd. | China national standards | MT | 281.46 | USD | 20250924 |
| Shandong Aite Chemical Co., Ltd. | China national standards | MT | 368.72 | USD | 20250924 |
| Shandong Aite Chemical Co., Ltd. | China national standards | MT | 281.46 | USD | 20250924 |
| Luxi Chemical Group Co., Ltd. | China national standards | MT | 323.68 | USD | 20250924 |
| Shandong Aite Chemical Co., Ltd. | China national standards | MT | 323.68 | USD | 20250924 |
| Shandong Yuxuan Chemical Products Co., Ltd. | China national standards | MT | 281.46 | USD | 20250924 |