| Vendor | Spec | Unit | Price | Currency | Date |
| Zhangjiagang Kellin | China national standards | MT | 763.26 | USD | 20251205 |
| Qingdao Shengze Chem | China national standards | MT | 763.26 | USD | 20251205 |
| Shandong Jinshenrun Chem | China national standards | MT | 777.4 | USD | 20251205 |
| Shandong Jinshenrun Chem | China national standards | MT | 791.53 | USD | 20251205 |
| Hubei 789 Chem | China national standards | MT | 989.41 | USD | 20251205 |
| Hubei 789 Chem | China national standards | MT | 989.41 | USD | 20251205 |
| Hunan Qilu Tech | China national standards | MT | 855.14 | USD | 20251205 |
| Shandong Shuojia Chem | China national standards | MT | 720.86 | USD | 20251205 |
| Shandong Shuojia Chem | China national standards | MT | 720.86 | USD | 20251205 |
| Shandong Shuojia Chem | China national standards | MT | 720.86 | USD | 20251205 |