| Vendor | Spec | Unit | Price | Currency | Date |
| Qingdao Shengze Chemical Co., Ltd. | Industrial Grade | MT | 816.07 | USD | 20250901 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 816.07 | USD | 20250901 |
| Nanjing Baitu Chemicals Co., Ltd. | China national standards | MT | 816.07 | USD | 20250901 |
| Nanjing Baitu Chemicals Co., Ltd. | China national standards | MT | 900.5 | USD | 20250901 |
| Shandong Xingpeng Yongfa Chemical Co., Ltd. | China national standards | MT | 647.23 | USD | 20250901 |
| Shandong Qiangsen Chemical Co., Ltd. | China national standards | MT | 745.72 | USD | 20250901 |
| Shandong Jinwen Chemical Co., Ltd. | China national standards | MT | 844.21 | USD | 20250901 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 900.5 | USD | 20250901 |
| Shandong Langcheng Chemical Co., Ltd. | Industrial Grade | MT | 907.53 | USD | 20250901 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 935.67 | USD | 20250901 |