| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 379.98 | USD | 20250924 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 358.87 | USD | 20250924 |
| Luxi Chemical Group Co., Ltd. | China national standards | MT | 351.83 | USD | 20250924 |
| Shandong Hongyang Chemical Co., Ltd. | China national standards | MT | 382.79 | USD | 20250924 |
| Shandong Jinling Chemical Ao.,ltd | China national standards | MT | 337.76 | USD | 20250924 |
| Jiangsu Lee & Man Chemical Limited | China national standards | MT | 313.83 | USD | 20250923 |
| Qingdao Ruishuang Chemical Co., Ltd. | China national standards | MT | 422.2 | USD | 20250923 |
| Jia'en Chemical (Shandong) Co., Ltd. | China national standards | MT | 351.83 | USD | 20250923 |
| Luxi Chemical Group Co., Ltd. | China national standards | MT | 337.76 | USD | 20250923 |
| Jia'en Chemical (Shandong) Co., Ltd. | China national standards | MT | 330.72 | USD | 20250923 |