| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Jinshenrun Chem | China national standards | MT | 1335.17 | USD | 20250926 |
| Shandong Mengkanda Chem | China national standards | MT | 1075.16 | USD | 20250926 |
| Shandong Mengkanda Chem | China national standards | MT | 1075.16 | USD | 20250926 |
| Shandong Yeyang Chem | China national standards | MT | 1145.44 | USD | 20250926 |
| Shandong Hongyang Chem | China national standards | MT | 1124.35 | USD | 20250926 |
| Shandong Hongyang Chem | China national standards | MT | 1124.35 | USD | 20250926 |
| Shandong Haili Chem | China national standards | MT | 1196.22 | USD | 20250925 |
| Weifang Mingbo Chem | China national standards | MT | 914.76 | USD | 20250925 |
| Qingdao Chengxin Chem | China national standards | MT | 914.76 | USD | 20250925 |
| Jinan Xinhou | China national standards | MT | 1154.0 | USD | 20250925 |