| Vendor | Spec | Unit | Price | Currency | Date |
| Qingdao Xupu Supply Chain Co., Ltd. | China national standards | MT | 1031.47 | USD | 20251209 |
| Shanghai Juexin Industrial Development Co., Ltd. | China national standards | MT | 1073.86 | USD | 20251209 |
| Shandong Hanyue Chemical Co., Ltd. | China national standards | MT | 1116.24 | USD | 20251209 |
| Jinan Aochen Chemical Co., Ltd. | China national standards | MT | 1554.27 | USD | 20251209 |
| Shandong Hengrui Chemical Co., Ltd. | China national standards | MT | 1031.47 | USD | 20251209 |
| Lihuayi Weiyuan Chemical Co., Ltd. | China national standards | MT | 1059.73 | USD | 20251209 |
| Shandong Tongzhou Chemical Co., Ltd. | China national standards | MT | 1412.97 | USD | 20251209 |
| Shandong Daoqin Chemical Co., Ltd. | China national standards | MT | 1201.02 | USD | 20251209 |
| Lihuayi Weiyuan Chemical Co., Ltd. | China national standards | MT | 1031.47 | USD | 20251209 |
| Lihuayi Weiyuan Chemical Co., Ltd. | China national standards | MT | 1087.99 | USD | 20251209 |