| Vendor | Spec | Unit | Price | Currency | Date |
| Lihuayi Weiyuan Chemical Co., Ltd. | China national standards | MT | 1083.67 | USD | 20251002 |
| Lihuayi Weiyuan Chemical Co., Ltd. | China national standards | MT | 1083.67 | USD | 20251001 |
| Shandong Hengrui Chemical Co., Ltd. | China national standards | MT | 1083.67 | USD | 20250930 |
| Shandong Daoqin Chemical Co., Ltd. | China national standards | MT | 1266.62 | USD | 20250930 |
| Shandong Qiangsen Chemical Co., Ltd. | China national standards | MT | 1252.55 | USD | 20250930 |
| Lihuayi Weiyuan Chemical Co., Ltd. | China national standards | MT | 1083.67 | USD | 20250930 |
| Jinan Aochen Chemical Co., Ltd. | China national standards | MT | 1548.1 | USD | 20250930 |
| Lihuayi Weiyuan Chemical Co., Ltd. | China national standards | MT | 1097.74 | USD | 20250930 |
| Lihuayi Weiyuan Chemical Co., Ltd. | China national standards | MT | 1083.67 | USD | 20250930 |
| Shanghai Xianyue International Co., Ltd. | China national standards | MT | 1104.78 | USD | 20250930 |