| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Langchem | China national standards | MT | 1300.19 | USD | 20251201 |
| Lihuayi Weiyuan Chem | China national standards | MT | 1328.45 | USD | 20251201 |
| Lihuayi Shandong | China national standards | MT | 890.35 | USD | 20251201 |
| Hubei 789 Chem | China national standards | MT | 1300.19 | USD | 20251201 |
| Sinopec | China national standards | MT | 1229.53 | USD | 20251201 |
| Zibo Lishuo Chem | China national standards | MT | 989.27 | USD | 20251201 |
| Sinopec | China national standards | MT | 1229.53 | USD | 20251201 |
| Zibo Lishuo Chem | China national standards | MT | 989.27 | USD | 20251201 |
| Hubei 789 Chem | China national standards | MT | 1300.19 | USD | 20251201 |
| Lihuayi Shandong | China national standards | MT | 890.35 | USD | 20251201 |