| Vendor | Spec | Unit | Price | Currency | Date |
| Lihuayi Weiyuan Chemical Co., Ltd. | China national standards | MT | 1097.74 | USD | 20250930 |
| Lihuayi Weiyuan Chemical Co., Ltd. | China national standards | MT | 1083.67 | USD | 20250930 |
| Shanghai Xianyue International Co., Ltd. | China national standards | MT | 1104.78 | USD | 20250930 |
| Lihuayi Weiyuan Chemical Co., Ltd. | China national standards | MT | 1097.74 | USD | 20250930 |
| Lihuayi Weiyuan Chemical Co., Ltd. | China national standards | MT | 1083.15 | USD | 20250929 |
| Shandong Daoqin Chemical Co., Ltd. | China national standards | MT | 1266.02 | USD | 20250929 |
| Lihuayi Weiyuan Chemical Co., Ltd. | China national standards | MT | 1083.15 | USD | 20250929 |
| Jinan Aochen Chemical Co., Ltd. | China national standards | MT | 1547.36 | USD | 20250929 |
| Lihuayi Weiyuan Chemical Co., Ltd. | China national standards | MT | 1097.22 | USD | 20250929 |
| Shanghai Xianyue International Co., Ltd. | China national standards | MT | 1104.25 | USD | 20250929 |