| Vendor | Spec | Unit | Price | Currency | Date |
| JS Yangnong Chem | China national standards | MT | 853.65 | USD | 20251119 |
| Shandong Langchem | China national standards | MT | 1173.95 | USD | 20251119 |
| Nantong Zhonghe Chem | China national standards | MT | 1580.31 | USD | 20251119 |
| Shandong Junfeng | China national standards | MT | 917.15 | USD | 20251119 |
| Shandong Yushuo Chem | China national standards | MT | 1608.53 | USD | 20251119 |
| Jinan Aochen Chem | China national standards | MT | 1354.55 | USD | 20251119 |
| Jinan Aochen Chem | China national standards | MT | 1354.55 | USD | 20251119 |
| Qingdao Shengze Chem | China national standards | MT | 1594.42 | USD | 20251119 |
| Wudi Xinyue Chem | China national standards | MT | 1566.2 | USD | 20251119 |
| Shandong Junfeng | China national standards | MT | 924.2 | USD | 20251119 |