| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Xima | China national standards | MT | 883.33 | USD | 20250823 |
| Shandong Qiangsen Chem | China national standards | MT | 939.41 | USD | 20250823 |
| Shandong Laya Chem | China national standards | MT | 883.33 | USD | 20250823 |
| Shandong Xima | China national standards | MT | 883.33 | USD | 20250822 |
| Jinan Shengfeng | China national standards | MT | 911.37 | USD | 20250822 |
| Shandong Xima | China national standards | MT | 967.46 | USD | 20250822 |
| Shandong Qiangsen Chem | China national standards | MT | 939.41 | USD | 20250822 |
| Shandong Laya Chem | China national standards | MT | 883.33 | USD | 20250822 |
| Shandong Xima | China national standards | MT | 883.75 | USD | 20250821 |
| Shandong Qiangsen Chem | China national standards | MT | 939.86 | USD | 20250821 |