| Vendor | Spec | Unit | Price | Currency | Date |
| Jinan Dezheng Chemical Co., Ltd. | China national standards | MT | 365.41 | USD | 20250927 |
| Jinan Dezheng Chemical Co., Ltd. | China national standards | MT | 449.74 | USD | 20250927 |
| Shandong Qiancheng New Materials Co., Ltd. | 90% | MT | 393.52 | USD | 20250927 |
| Shandong Qiancheng New Materials Co., Ltd. | China national standards | MT | 1040.03 | USD | 20250927 |
| Shandong Qiancheng New Materials Co., Ltd. | China national standards | MT | 393.52 | USD | 20250927 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 1040.03 | USD | 20250927 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 435.69 | USD | 20250927 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 435.69 | USD | 20250927 |
| Jiangxi Xinmao Chemical Co., Ltd. | 90% | MT | 548.12 | USD | 20250927 |
| Shandong Xingpeng Yongfa Chemical Co., Ltd. | China national standards | MT | 435.69 | USD | 20250927 |