| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Xima Supply Chain Management Co., Ltd. | China national standards | MT | 788.11 | USD | 20250915 |
| Shandong Qiangsen Chemical Co., Ltd. | China national standards | MT | 872.55 | USD | 20250915 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 900.7 | USD | 20250915 |
| Yancheng SUPER Chemical Technology Co., Ltd. | China national standards | MT | 926.03 | USD | 20250915 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 918.99 | USD | 20250915 |
| Shandong Jinwen Chemical Co., Ltd. | China national standards | MT | 900.7 | USD | 20250915 |
| Shandong Laya Chemical Co., Ltd. | China national standards | MT | 759.96 | USD | 20250915 |
| Nanjing Baitu Chemicals Co., Ltd. | China national standards | MT | 844.4 | USD | 20250915 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 760.36 | USD | 20250914 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 760.36 | USD | 20250914 |