| Vendor | Spec | Unit | Price | Currency | Date |
| Qingdao Shengze Chemical Co., Ltd. | Industrial Grade | MT | 816.17 | USD | 20250907 |
| Shandong Xingpeng Yongfa Chemical Co., Ltd. | China national standards | MT | 647.3 | USD | 20250906 |
| Shandong Qiangsen Chemical Co., Ltd. | China national standards | MT | 745.81 | USD | 20250906 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 844.31 | USD | 20250906 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 942.81 | USD | 20250906 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 935.78 | USD | 20250906 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 900.6 | USD | 20250906 |
| Aite (Zhejiang) Supply Chain Management Co., Ltd. | China national standards | MT | 788.02 | USD | 20250906 |
| Qingdao Shengze Chemical Co., Ltd. | Industrial Grade | MT | 816.17 | USD | 20250906 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 816.17 | USD | 20250906 |