| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Hanyue Chemical Co., Ltd. | China national standards | MT | 1116.88 | USD | 20251204 |
| Shanghai Xianyue International Co., Ltd. | China national standards | MT | 1013.67 | USD | 20251204 |
| Shandong Daoqin Chemical Co., Ltd. | China national standards | MT | 1201.7 | USD | 20251204 |
| Lihuayi Weiyuan Chemical Co., Ltd. | China national standards | MT | 1088.6 | USD | 20251204 |
| Shandong Qiangsen Chemical Co., Ltd. | China national standards | MT | 1257.88 | USD | 20251203 |
| Shandong Tongzhou Chemical Co., Ltd. | China national standards | MT | 1413.35 | USD | 20251203 |
| Lihuayi Weiyuan Chemical Co., Ltd. | China national standards | MT | 1088.28 | USD | 20251203 |
| Hunan Jinyu Fine Chemical Co., Ltd. | China national standards | MT | 1017.61 | USD | 20251203 |
| Shanghai Sinopec Mitsui Chemicals, Co., Ltd. | China national standards | MT | 1031.74 | USD | 20251203 |
| Shandong Hengrui Chemical Co., Ltd. | China national standards | MT | 1017.61 | USD | 20251203 |