| Vendor | Spec | Unit | Price | Currency | Date |
| Dongying Lianchem | China national standards | MT | 1200.63 | USD | 20251126 |
| Dongying Lianchem | China national standards | MT | 1200.12 | USD | 20251125 |
| Dongying Lianchem | China national standards | MT | 1199.77 | USD | 20251124 |
| Dongying Lianchem | China national standards | MT | 1199.77 | USD | 20251124 |
| Dongying Lianchem | China national standards | MT | 1199.29 | USD | 20251121 |
| Dongying Lianchem | China national standards | MT | 1199.35 | USD | 20251119 |
| Dongying Lianchem | China national standards | MT | 1199.35 | USD | 20251119 |
| Dongying Lianchem | China national standards | MT | 1199.62 | USD | 20251118 |
| Dongying Lianchem | China national standards | MT | 1200.29 | USD | 20251117 |
| Dongying Lianchem | China national standards | MT | 1200.14 | USD | 20251115 |