| Vendor | Spec | Unit | Price | Currency | Date |
| Qingdao Chengxin Hongfeng Chemical Co., Ltd. | China national standards | MT | 942.48 | USD | 20250929 |
| Shandong Shuojia Chemical Co., Ltd. | China national standards | MT | 1005.78 | USD | 20250929 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 984.68 | USD | 20250929 |
| Wuhan Hengjiu Chemical Co., Ltd. | China national standards | MT | 1294.15 | USD | 20250929 |
| Wuhan Hengjiu Chemical Co., Ltd. | China national standards | MT | 1294.15 | USD | 20250929 |
| Shandong Luxi Chemical Co., Ltd. | China national standards | MT | 1237.88 | USD | 20250929 |
| Qingdao Chengxin Hongfeng Chemical Co., Ltd. | China national standards | MT | 1012.81 | USD | 20250929 |
| Shandong Yeyang Chemical Co., Ltd. | China national standards | MT | 984.68 | USD | 20250929 |
| Shandong Xingpeng Yongfa Chemical Co., Ltd. | China national standards | MT | 998.75 | USD | 20250929 |
| Jinan Jinrihe Chemical Co., Ltd. | China national standards | MT | 1069.08 | USD | 20250929 |