| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 918.98 | USD | 20250923 |
| Yancheng SUPER Chemical Technology Co., Ltd. | China national standards | MT | 926.02 | USD | 20250923 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 900.69 | USD | 20250923 |
| Shandong Xima Supply Chain Management Co., Ltd. | China national standards | MT | 788.1 | USD | 20250923 |
| Shandong Xima Supply Chain Management Co., Ltd. | China national standards | MT | 788.1 | USD | 20250923 |
| Shandong Qiangsen Chemical Co., Ltd. | China national standards | MT | 872.54 | USD | 20250923 |
| Shandong Jinwen Chemical Co., Ltd. | China national standards | MT | 900.69 | USD | 20250923 |
| Nanjing Runsheng Petrochemical Co., Ltd. | China national standards | MT | 795.14 | USD | 20250923 |
| Nanjing Runsheng Petrochemical Co., Ltd. | China national standards | MT | 795.14 | USD | 20250923 |
| Shandong Zhihengda Import and Export Co., Ltd. | China national standards | MT | 928.83 | USD | 20250923 |