| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Yushuo Chem | China national standards | MT | 845.68 | USD | 20251018 |
| Shandong Yushuo Chem | China national standards | MT | 845.68 | USD | 20251018 |
| Shandong Daoqin Chem | China national standards | MT | 958.43 | USD | 20251018 |
| Aite Zhejiang | China national standards | MT | 789.3 | USD | 20251018 |
| Shandong Wells Chem | China national standards | MT | 817.49 | USD | 20251018 |
| Aite Zhejiang | China national standards | MT | 845.68 | USD | 20251018 |
| Shandong Qiangsen Chem | China national standards | MT | 747.02 | USD | 20251018 |
| Shandong Mingyu | China national standards | MT | 902.06 | USD | 20251017 |
| Hunan Yuanshuo Chem | China national standards | MT | 944.34 | USD | 20251017 |
| Nantong Zhonghe Chem | China national standards | MT | 845.68 | USD | 20251017 |