| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Qiangsen Chemical Co., Ltd. | China national standards | MT | 1257.26 | USD | 20251129 |
| Wuhan Hengjiu Chemical Co., Ltd. | China national standards | MT | 1087.74 | USD | 20251128 |
| Shandong Qiangsen Chemical Co., Ltd. | China national standards | MT | 1257.26 | USD | 20251128 |
| Lihuayi Weiyuan Chemical Co., Ltd. | China national standards | MT | 1087.74 | USD | 20251128 |
| Lihuayi Weiyuan Chemical Co., Ltd. | China national standards | MT | 1031.23 | USD | 20251128 |
| Lihuayi Weiyuan Chemical Co., Ltd. | China national standards | MT | 1031.23 | USD | 20251128 |
| Shandong Tongzhou Chemical Co., Ltd. | China national standards | MT | 1412.65 | USD | 20251128 |
| Jinan Aochen Chemical Co., Ltd. | China national standards | MT | 1553.91 | USD | 20251128 |
| Shanghai Juexin Industrial Development Co., Ltd. | China national standards | MT | 1101.87 | USD | 20251128 |
| Hunan Jinyu Fine Chemical Co., Ltd. | China national standards | MT | 1017.11 | USD | 20251128 |