| Vendor | Spec | Unit | Price | Currency | Date |
| Hualu Holdings | China national standards | MT | 416.97 | USD | 20251205 |
| Henan Longyu | China national standards | MT | 303.89 | USD | 20251205 |
| Shandong Hualu | China national standards | MT | 409.9 | USD | 20251205 |
| Jinan Jinrihe Chem | China national standards | MT | 381.63 | USD | 20251205 |
| Henan Longyu | China national standards | MT | 303.89 | USD | 20251205 |
| Henan Longyu | China national standards | MT | 336.4 | USD | 20251205 |
| Shandong Langchem | China national standards | MT | 367.5 | USD | 20251205 |
| Henan Longyu | China national standards | MT | 303.89 | USD | 20251205 |
| Shandong Zhiheng | China national standards | MT | 367.5 | USD | 20251205 |
| Tianjin Shengtong | China national standards | MT | 353.36 | USD | 20251205 |