| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Qiancheng | Industrial Grade | MT | 508.84 | USD | 20251205 |
| Shandong Qiancheng | China national standards | MT | 395.77 | USD | 20251205 |
| Shandong Qiancheng | China national standards | MT | 1045.95 | USD | 20251205 |
| Shandong Qiancheng | 90% | MT | 395.77 | USD | 20251205 |
| Qingdao Shengze Chem | China national standards | MT | 424.03 | USD | 20251205 |
| Qingdao Shengze Chem | China national standards | MT | 424.03 | USD | 20251205 |
| Qingdao Shengze Chem | China national standards | MT | 424.03 | USD | 20251205 |
| Qingdao Shengze Chem | China national standards | MT | 424.03 | USD | 20251205 |
| Shandong Baishui Chem | China national standards | MT | 470.68 | USD | 20251205 |
| Changzhou Qidi Chem | China national standards | MT | 494.71 | USD | 20251205 |