| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Hongxin Chem | China national standards | MT | 928.47 | USD | 20250918 |
| Panjin Read Chem | China national standards | MT | 1027.98 | USD | 20250917 |
| Shandong Xima | China national standards | MT | 971.46 | USD | 20250916 |
| Shandong Huize Chem | China national standards | MT | 929.22 | USD | 20250916 |
| Shandong Xima | China national standards | MT | 886.99 | USD | 20250916 |
| Shandong Qiangsen Chem | China national standards | MT | 943.3 | USD | 20250916 |
| Shandong Laya Chem | China national standards | MT | 886.99 | USD | 20250916 |
| Jinan Shengfeng | China national standards | MT | 901.07 | USD | 20250916 |
| Shandong Huize Chem | China national standards | MT | 928.84 | USD | 20250915 |
| Shandong Xima | China national standards | MT | 886.62 | USD | 20250915 |