| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Qiangsen Chem | China national standards | MT | 1055.07 | USD | 20250918 |
| Jinan Dezheng Chem | China national standards | MT | 1434.9 | USD | 20250918 |
| Jinan Dezheng Chem | China national standards | MT | 1434.9 | USD | 20250918 |
| Jinan Dezheng Chem | China national standards | MT | 1434.9 | USD | 20250918 |
| Jinan Dezheng Chem | China national standards | MT | 1434.9 | USD | 20250918 |
| Jinan Dezheng Chem | China national standards | MT | 1434.9 | USD | 20250918 |
| Qingdao Chengxin Chem | China national standards | MT | 914.4 | USD | 20250918 |
| Jinan Xinhou | China national standards | MT | 1153.55 | USD | 20250918 |
| Shandong Haili Chem | China national standards | MT | 1800.66 | USD | 20250918 |
| Dongying Lianchem | China national standards | MT | 1171.62 | USD | 20250917 |