| Vendor | Spec | Unit | Price | Currency | Date |
| Wuhan Hengjiu Chemical Co., Ltd. | China national standards | MT | 1086.33 | USD | 20251027 |
| Lihuayi Weiyuan Chemical Co., Ltd. | China national standards | MT | 1086.33 | USD | 20251027 |
| Shandong Qiangsen Chemical Co., Ltd. | China national standards | MT | 1255.63 | USD | 20251027 |
| Shandong Daoqin Chemical Co., Ltd. | China national standards | MT | 1269.73 | USD | 20251027 |
| Shanghai Sinopec Mitsui Chemicals, Co., Ltd. | China national standards | MT | 1058.11 | USD | 20251027 |
| Shanghai Juexin Industrial Development Co., Ltd. | China national standards | MT | 1269.73 | USD | 20251027 |
| Shanghai Juexin Industrial Development Co., Ltd. | China national standards | MT | 1268.89 | USD | 20251026 |
| Shandong Daoqin Chemical Co., Ltd. | China national standards | MT | 1268.89 | USD | 20251025 |
| Shandong Qiangsen Chemical Co., Ltd. | China national standards | MT | 1254.79 | USD | 20251025 |
| Lihuayi Weiyuan Chemical Co., Ltd. | China national standards | MT | 1085.61 | USD | 20251025 |