| Vendor | Spec | Unit | Price | Currency | Date |
| Luxi Chemical Group Co., Ltd. | China national standards | MT | 337.76 | USD | 20250924 |
| Jia'en Chemical (Shandong) Co., Ltd. | China national standards | MT | 351.83 | USD | 20250924 |
| Qingdao Ruishuang Chemical Co., Ltd. | China national standards | MT | 422.2 | USD | 20250924 |
| Jiangsu Lee & Man Chemical Limited | China national standards | MT | 382.79 | USD | 20250924 |
| Zaozhuang Yitai Energy Technology Co., Ltd. | China national standards | MT | 394.05 | USD | 20250924 |
| Luxi Chemical Group Co., Ltd. | China national standards | MT | 302.57 | USD | 20250924 |
| Shandong Zhenkun New Materials Co., Ltd. | China national standards | MT | 302.57 | USD | 20250924 |
| Zhongyin New Materials (Jinan) Co., Ltd. | China national standards | MT | 253.32 | USD | 20250924 |
| Luxi Chemical Group Co., Ltd. | China national standards | MT | 246.28 | USD | 20250924 |
| Zhongyin New Materials (Jinan) Co., Ltd. | China national standards | MT | 253.32 | USD | 20250924 |