| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Qiangsen Chemical Co., Ltd. | China national standards | MT | 1255.79 | USD | 20251119 |
| Lihuayi Weiyuan Chemical Co., Ltd. | China national standards | MT | 1086.47 | USD | 20251119 |
| Shandong Hanyue Chemical Co., Ltd. | China national standards | MT | 1114.69 | USD | 20251119 |
| Shandong Quantai Chemical Industry Science and Technology Co., Ltd. | China national standards | MT | 1016.15 | USD | 20251118 |
| Lihuayi Weiyuan Chemical Co., Ltd. | China national standards | MT | 1016.15 | USD | 20251118 |
| Jinan Aochen Chemical Co., Ltd. | China national standards | MT | 1552.44 | USD | 20251118 |
| Wuhan Hengjiu Chemical Co., Ltd. | China national standards | MT | 1086.71 | USD | 20251118 |
| Shandong Tongzhou Chemical Co., Ltd. | China national standards | MT | 1411.31 | 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 | 1016.15 | USD | 20251118 |