| Vendor | Spec | Unit | Price | Currency | Date |
| Wuhan Hengjiu Chem | China national standards | MT | 886.61 | USD | 20250923 |
| Shandong Wells Chem | China national standards | MT | 928.19 | USD | 20250922 |
| Weifang Shuoxin Chem | China national standards | MT | 787.56 | USD | 20250922 |
| Qingdao Chengxin Chem | China national standards | MT | 787.56 | USD | 20250922 |
| Shandong Wells Chem | China national standards | MT | 815.68 | USD | 20250922 |
| Qingdao Chengxin Chem | China national standards | MT | 787.56 | USD | 20250922 |
| Shandong Hongyang Chem | China national standards | MT | 794.59 | USD | 20250922 |
| Shandong Hongyang Chem | China national standards | MT | 949.29 | USD | 20250922 |
| Jinan Aochen Chem | China national standards | MT | 1012.57 | USD | 20250922 |
| Shandong Wells Chem | China national standards | MT | 1026.64 | USD | 20250922 |