| Vendor | Spec | Unit | Price | Currency | Date |
| Lihuayi Weiyuan Chem | China national standards | MT | 761.15 | USD | 20251231 |
| Heze Zhuohang | China national standards | MT | 754.04 | USD | 20251231 |
| Heze Zhuohang | China national standards | MT | 760.5 | USD | 20251230 |
| Heze Zhuohang | China national standards | MT | 760.5 | USD | 20251230 |
| Shandong Zhiheng | China national standards | MT | 1018.59 | USD | 20251211 |
| Shandong Hongyang Chem | China national standards | MT | 799.31 | USD | 20251211 |
| Shandong Hongyang Chem | China national standards | MT | 954.93 | USD | 20251211 |
| Shandong Fusheng | China national standards | MT | 792.24 | USD | 20251211 |
| Shandong Fusheng | Industrial Grade | MT | 799.31 | USD | 20251211 |
| Shandong Fusheng | China national standards | MT | 820.53 | USD | 20251211 |