| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Qiangsen Chem | China national standards | MT | 988.04 | USD | 20251124 |
| Qingdao Shengze Chem | China national standards | MT | 825.72 | USD | 20251124 |
| Aite Zhejiang | China national standards | MT | 1072.73 | USD | 20251124 |
| Shandong Yihe Chem | China national standards | MT | 818.34 | USD | 20251123 |
| Shandong Jinshenrun Chem | China national standards | MT | 846.56 | USD | 20251123 |
| Shandong Jinshenrun Chem | China national standards | MT | 846.56 | USD | 20251123 |
| Shandong Yihe Chem | China national standards | MT | 818.34 | USD | 20251123 |
| Liaocheng Yuanze Chem | China national standards | MT | 874.78 | USD | 20251123 |
| Qingdao Shengze Chem | China national standards | MT | 825.4 | USD | 20251123 |
| Shandong Qiangsen Chem | China national standards | MT | 987.65 | USD | 20251122 |