| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 918.79 | USD | 20250901 |
| Shandong Jinwen Chemical Co., Ltd. | China national standards | MT | 900.5 | USD | 20250901 |
| Shandong Qiangsen Chemical Co., Ltd. | China national standards | MT | 872.35 | USD | 20250901 |
| Shandong Xima Supply Chain Management Co., Ltd. | China national standards | MT | 787.93 | USD | 20250901 |
| Shandong Xingpeng Yongfa Chemical Co., Ltd. | China national standards | MT | 766.83 | USD | 20250901 |
| Nanjing Baitu Chemicals Co., Ltd. | China national standards | MT | 844.21 | USD | 20250901 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 759.79 | USD | 20250901 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 759.79 | USD | 20250901 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 759.79 | USD | 20250901 |
| Shandong Xingpeng Yongfa Chemical Co., Ltd. | China national standards | MT | 767.28 | USD | 20250831 |