| Vendor | Spec | Unit | Price | Currency | Date |
| Shanghai SKY Chem | China national standards | MT | 261.43 | USD | 20251208 |
| Shanghai SKY Chem | China national standards | MT | 204.91 | USD | 20251208 |
| Jinan Jinrihe Chem | China national standards | MT | 169.58 | USD | 20251208 |
| Henan Leavit Chem | China national standards | MT | 155.45 | USD | 20251208 |
| Shandong Haihua | China national standards | MT | 190.77 | USD | 20251208 |
| Henan Shunzhibang | China national standards | MT | 240.24 | USD | 20251208 |
| Tangshan Sanyou | China national standards | MT | 183.71 | USD | 20251208 |
| Shanghai SKY Chem | China national standards | MT | 204.91 | USD | 20251208 |
| Shanghai SKY Chem | China national standards | MT | 204.91 | USD | 20251208 |
| Henan Leavit Chem | China national standards | MT | 159.69 | USD | 20251208 |