| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Daoqin Chemical Co., Ltd. | China national standards | MT | 1201.43 | USD | 20251207 |
| Lihuayi Weiyuan Chemical Co., Ltd. | China national standards | MT | 1088.35 | USD | 20251206 |
| Shanghai Juexin Industrial Development Co., Ltd. | China national standards | MT | 1074.22 | USD | 20251206 |
| Shandong Qiangsen Chemical Co., Ltd. | China national standards | MT | 1257.97 | USD | 20251206 |
| Shandong Hanyue Chemical Co., Ltd. | China national standards | MT | 1116.62 | USD | 20251205 |
| Lihuayi Weiyuan Chemical Co., Ltd. | China national standards | MT | 1088.35 | USD | 20251205 |
| Lihuayi Weiyuan Chemical Co., Ltd. | China national standards | MT | 1088.35 | USD | 20251205 |
| Shandong Hanyue Chemical Co., Ltd. | China national standards | MT | 1116.62 | USD | 20251205 |
| Shanghai Xinhang Trading Co., Ltd. | China national standards | MT | 1041.71 | USD | 20251205 |
| Shanghai Xianyue International Co., Ltd. | China national standards | MT | 1041.71 | USD | 20251205 |