| Vendor | Spec | Unit | Price | Currency | Date |
| Lihuayi Weiyuan Chemical Co., Ltd. | China national standards | MT | 1059.73 | USD | 20251209 |
| Lihuayi Weiyuan Chemical Co., Ltd. | China national standards | MT | 1088.12 | USD | 20251208 |
| Lihuayi Weiyuan Chemical Co., Ltd. | China national standards | MT | 1088.12 | USD | 20251208 |
| Shandong Qiangsen Chemical Co., Ltd. | China national standards | MT | 1257.7 | USD | 20251208 |
| Shandong Hanyue Chemical Co., Ltd. | China national standards | MT | 1116.39 | USD | 20251208 |
| Shandong Daoqin Chemical Co., Ltd. | China national standards | MT | 1201.18 | USD | 20251208 |
| Shanghai Juexin Industrial Development Co., Ltd. | China national standards | MT | 1073.99 | USD | 20251208 |
| Jinan Aochen Chemical Co., Ltd. | China national standards | MT | 1554.46 | USD | 20251208 |
| Shandong Hanyue Chemical Co., Ltd. | China national standards | MT | 1116.39 | USD | 20251208 |
| Qingdao Xupu Supply Chain Co., Ltd. | China national standards | MT | 1031.82 | USD | 20251207 |