| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Fusheng | China national standards | MT | 900.8 | USD | 20251010 |
| Shandong Fusheng | Industrial Grade | MT | 900.8 | USD | 20251010 |
| Shandong Hongyang Chem | China national standards | MT | 795.24 | USD | 20251010 |
| Shandong Hongyang Chem | China national standards | MT | 950.06 | USD | 20251010 |
| Shandong Zhiheng | China national standards | MT | 1013.4 | USD | 20251010 |
| Qingdao Shengze Chem | Industrial Grade | MT | 815.73 | USD | 20251009 |
| Qingdao Shengze Chem | Industrial Grade | MT | 815.73 | USD | 20251009 |
| Qingdao Shengze Chem | Industrial Grade | MT | 815.73 | USD | 20251009 |
| Qingdao Shengze Chem | Industrial Grade | MT | 815.73 | USD | 20251009 |
| Guang Longyu Chem | China national standards | MT | 1336.11 | USD | 20251009 |