| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Qiangsen Chem | China national standards | MT | 805.39 | USD | 20251209 |
| Shandong Xima | China national standards | MT | 706.48 | USD | 20251209 |
| Shandong Xima | China national standards | MT | 706.48 | USD | 20251209 |
| Shanghai Ronghe Chem | China national standards | MT | 763.0 | USD | 20251209 |
| Zibo Lishuo Chem | China national standards | MT | 819.52 | USD | 20251209 |
| Zibo Lishuo Chem | China national standards | MT | 819.52 | USD | 20251209 |
| Zibo Lishuo Chem | China national standards | MT | 819.52 | USD | 20251209 |
| Zibo Lishuo Chem | China national standards | MT | 819.52 | USD | 20251209 |
| Zibo Lishuo Chem | China national standards | MT | 819.52 | USD | 20251209 |
| Shandong Hanyue Chem | China national standards | MT | 706.48 | USD | 20251209 |