| Vendor | Spec | Unit | Price | Currency | Date |
| Dongying Lianchem | China national standards | MT | 1196.69 | USD | 20250908 |
| Dongying Lianchem | China national standards | MT | 1171.35 | USD | 20250908 |
| Dongying Lianchem | China national standards | MT | 1170.78 | USD | 20250906 |
| Dongying Lianchem | China national standards | MT | 1196.1 | USD | 20250906 |
| Dongying Lianchem | China national standards | MT | 1170.97 | USD | 20250904 |
| Dongying Lianchem | China national standards | MT | 1195.68 | USD | 20250902 |
| Dongying Lianchem | China national standards | MT | 1170.64 | USD | 20250901 |
| Dongying Lianchem | China national standards | MT | 1171.34 | USD | 20250829 |
| Dongying Lianchem | China national standards | MT | 1196.12 | USD | 20250828 |
| Dongying Lianchem | China national standards | MT | 1196.12 | USD | 20250828 |