| Vendor | Spec | Unit | Price | Currency | Date |
| Dongying Lianchem | China national standards | MT | 1170.79 | USD | 20250828 |
| Dongying Lianchem | China national standards | MT | 1170.05 | USD | 20250827 |
| Dongying Lianchem | China national standards | MT | 1168.74 | USD | 20250826 |
| Dongying Lianchem | China national standards | MT | 1194.02 | USD | 20250826 |
| Dongying Lianchem | China national standards | MT | 1169.18 | USD | 20250825 |
| Dongying Lianchem | China national standards | MT | 1194.47 | USD | 20250825 |
| Dongying Lianchem | China national standards | MT | 1166.56 | USD | 20250823 |
| Dongying Lianchem | China national standards | MT | 1166.56 | USD | 20250822 |
| Dongying Lianchem | China national standards | MT | 1191.79 | USD | 20250822 |
| Dongying Lianchem | China national standards | MT | 1167.11 | USD | 20250821 |