| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Tongzhou Chemical Co., Ltd. | China national standards | MT | 1411.31 | USD | 20251118 |
| Shandong Daoqin Chemical Co., Ltd. | China national standards | MT | 1199.62 | USD | 20251118 |
| Shandong Hanyue Chemical Co., Ltd. | China national standards | MT | 1114.94 | USD | 20251118 |
| Shandong Qiangsen Chemical Co., Ltd. | China national standards | MT | 1256.07 | USD | 20251118 |
| Lihuayi Weiyuan Chemical Co., Ltd. | China national standards | MT | 1086.71 | USD | 20251118 |
| Shanghai Juexin Industrial Development Co., Ltd. | China national standards | MT | 1241.96 | USD | 20251118 |
| Lihuayi Weiyuan Chemical Co., Ltd. | China national standards | MT | 1087.32 | USD | 20251117 |
| Lihuayi Weiyuan Chemical Co., Ltd. | China national standards | MT | 1016.72 | USD | 20251117 |
| Shanghai Juexin Industrial Development Co., Ltd. | China national standards | MT | 1242.66 | USD | 20251117 |
| Wuhan Hengjiu Chemical Co., Ltd. | China national standards | MT | 1087.32 | USD | 20251117 |