| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Qiancheng New Materials Co., Ltd. | 90% | MT | 392.32 | USD | 20250816 |
| Shandong Qiancheng New Materials Co., Ltd. | China national standards | MT | 1036.84 | USD | 20250816 |
| Shandong Qiancheng New Materials Co., Ltd. | China national standards | MT | 392.32 | USD | 20250816 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 350.28 | USD | 20250816 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 350.28 | USD | 20250816 |
| Shandong Xingpeng Yongfa Chemical Co., Ltd. | China national standards | MT | 462.37 | USD | 20250816 |
| Shandong Qiangsen Chemical Co., Ltd. | China national standards | MT | 448.36 | USD | 20250816 |
| Shandong Qiangsen Chemical Co., Ltd. | China national standards | MT | 350.28 | USD | 20250816 |
| China national standards | MT | 450.0 | USD | 20210323 | |
| China national standards | MT | 400.0 | USD | 20210323 |