| Vendor | Spec | Unit | Price | Currency | Date |
| Dongying Lianchem | China national standards | MT | 1195.75 | USD | 20250918 |
| Dongying Lianchem | China national standards | MT | 1170.43 | USD | 20250918 |
| Dongying Lianchem | China national standards | MT | 1171.62 | USD | 20250917 |
| Dongying Lianchem | China national standards | MT | 1196.73 | USD | 20250916 |
| Dongying Lianchem | China national standards | MT | 1171.39 | USD | 20250916 |
| Dongying Lianchem | China national standards | MT | 1170.91 | USD | 20250915 |
| Dongying Lianchem | China national standards | MT | 1171.52 | USD | 20250912 |
| Dongying Lianchem | China national standards | MT | 1171.7 | USD | 20250909 |
| Dongying Lianchem | China national standards | MT | 1197.05 | USD | 20250909 |
| Dongying Lianchem | China national standards | MT | 1171.35 | USD | 20250908 |