| Vendor | Spec | Unit | Price | Currency | Date |
| Beijing WentongTech | China national standards | MT | 1070.32 | USD | 20251013 |
| Beijing WentongTech | China national standards | MT | 1070.32 | USD | 20251013 |
| Shanghai SKY Chem | China national standards | MT | 1105.52 | USD | 20251013 |
| Hubei 789 Chem | China national standards | MT | 774.57 | USD | 20251013 |
| Hubei 789 Chem | China national standards | MT | 774.57 | USD | 20251013 |
| Shanxi Changlu Tech | China national standards | MT | 1028.07 | USD | 20251013 |
| Shanxi Changlu Tech | China national standards | MT | 1028.07 | USD | 20251013 |
| Shandong Longhui Chem | China national standards | MT | 1042.15 | USD | 20251013 |
| Shandong Longhui Chem | China national standards | MT | 1042.15 | USD | 20251013 |
| Shandong Yushuo Chem | China national standards | MT | 957.65 | USD | 20251013 |