| Vendor | Spec | Unit | Price | Currency | Date |
| Jinan Jinrihe Chem | China national standards | MT | 738.55 | USD | 20250918 |
| Nantong Zhonghe Chem | China national standards | MT | 717.45 | USD | 20250918 |
| Shandong Shuojia Chem | China national standards | MT | 780.76 | USD | 20250918 |
| Shandong Shuojia Chem | China national standards | MT | 780.76 | USD | 20250918 |
| Shandong Shuojia Chem | China national standards | MT | 780.76 | USD | 20250918 |
| Shandong Shuojia Chem | China national standards | MT | 780.76 | USD | 20250918 |
| Shandong Shuojia Chem | China national standards | MT | 780.76 | USD | 20250918 |
| Shandong Yushuo Chem | China national standards | MT | 773.72 | USD | 20250918 |
| Shandong Yushuo Chem | China national standards | MT | 773.72 | USD | 20250918 |
| Shandong Yushuo Chem | China national standards | MT | 787.79 | USD | 20250918 |