| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong RichBillows | China national standards | MT | 1181.33 | USD | 20250922 |
| Shandong RichBillows | China national standards | MT | 1307.91 | USD | 20250922 |
| Hubei 789 Chem | Industrial Grade | MT | 773.49 | USD | 20250922 |
| Zibo Kunyu | China national standards | MT | 1237.59 | USD | 20250922 |
| Chengdu Rongjiaxin Chem | Industrial Grade | MT | 1575.11 | USD | 20250922 |
| Jining Chaoda Mat | China national standards | MT | 984.45 | USD | 20250922 |
| Jining Chaoda Mat | China national standards | MT | 1026.64 | USD | 20250922 |
| Jining Chaoda Mat | China national standards | MT | 984.14 | USD | 20250921 |
| Jining Chaoda Mat | China national standards | MT | 1026.32 | USD | 20250921 |
| Zibo Kunyu | China national standards | MT | 1237.21 | USD | 20250920 |