| Vendor | Spec | Unit | Price | Currency | Date |
| Lihuayi Weiyuan Chem | China national standards | MT | 1046.88 | USD | 20251211 |
| Aite Zhejiang | China national standards | MT | 1130.69 | USD | 20251210 |
| Shandong Zhiheng | China national standards | MT | 1130.69 | USD | 20251210 |
| Shandong Yeyang Chem | China national standards | MT | 1243.76 | USD | 20251210 |
| Wanhua Chem | China national standards | MT | 989.36 | USD | 20251210 |
| Shandong Zhiheng | China national standards | MT | 1130.69 | USD | 20251210 |
| Befar | China national standards | MT | 890.42 | USD | 20251210 |
| Shandong Langchem | China national standards | MT | 1180.16 | USD | 20251210 |
| Shandong Zhiheng | China national standards | MT | 1173.1 | USD | 20251210 |
| Shandong Jinling Chem | China national standards | MT | 1272.03 | USD | 20251210 |