| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Jinwen Chem | China national standards | MT | 851.05 | USD | 20250929 |
| Shandong Xima | China national standards | MT | 703.34 | USD | 20250929 |
| Shandong Xima | China national standards | MT | 703.34 | USD | 20250929 |
| Shandong Qiangsen Chem | China national standards | MT | 801.81 | USD | 20250929 |
| Shandong Qiangsen Chem | China national standards | MT | 801.81 | USD | 20250929 |
| Shandong Fusheng | China national standards | MT | 787.74 | USD | 20250929 |
| Shandong Zhongke Taihua | China national standards | MT | 941.65 | USD | 20250928 |
| Shandong Zhongke Taihua | China national standards | MT | 941.65 | USD | 20250928 |
| Nantong Zhonghe Chem | China national standards | MT | 716.78 | USD | 20250928 |
| Jinan Aochen Chem | China national standards | MT | 744.88 | USD | 20250928 |