| Vendor | Spec | Unit | Price | Currency | Date |
| Dongying Lianchem | China national standards | MT | 1191.39 | USD | 20250807 |
| Dongying Lianchem | China national standards | MT | 1166.16 | USD | 20250807 |
| Dongying Lianchem | China national standards | MT | 1165.12 | USD | 20250806 |
| Dongying Lianchem | China national standards | MT | 1190.33 | USD | 20250806 |
| Dongying Lianchem | China national standards | MT | 1191.04 | USD | 20250805 |
| Dongying Lianchem | China national standards | MT | 1165.82 | USD | 20250805 |