| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Zhihengda Import and Export Co., Ltd. | China national standards | MT | 928.86 | USD | 20250930 |
| Shandong Zhihengda Import and Export Co., Ltd. | China national standards | MT | 928.86 | USD | 20250930 |
| Shandong Aite Chemical Co., Ltd. | China national standards | MT | 900.28 | USD | 20250929 |
| Shandong Aite Chemical Co., Ltd. | China national standards | MT | 900.28 | USD | 20250929 |
| Qingdao Chengxin Hongfeng Chemical Co., Ltd. | China national standards | MT | 773.68 | USD | 20250929 |
| Yancheng SUPER Chemical Technology Co., Ltd. | China national standards | MT | 822.91 | USD | 20250929 |
| Jinan Aochen Chemical Co., Ltd. | China national standards | MT | 1026.88 | USD | 20250929 |
| Lihuayi Weiyuan Chemical Co., Ltd. | China national standards | MT | 1097.22 | USD | 20250929 |
| Jia'en Chemical (Shandong) Co., Ltd. | China national standards | MT | 844.01 | USD | 20250929 |
| Kellin Chemicals (Zhangjiagang) Co., Ltd. | China national standards | MT | 759.61 | USD | 20250929 |