| Vendor | Spec | Unit | Price | Currency | Date |
| Dongying Hebang Chem | China national standards | MT | 1355.03 | USD | 20251124 |
| Dongying Hebang Chem | China national standards | MT | 1354.5 | USD | 20251121 |
| Dongying Hebang Chem | China national standards | MT | 1354.55 | USD | 20251119 |
| Dongying Hebang Chem | China national standards | MT | 1354.86 | USD | 20251118 |
| Dongying Hebang Chem | China national standards | MT | 1355.63 | USD | 20251117 |
| Dongying Hebang Chem | China national standards | MT | 1355.45 | USD | 20251114 |
| Dongying Hebang Chem | China national standards | MT | 1354.69 | USD | 20251113 |
| Dongying Hebang Chem | China national standards | MT | 1355.3 | USD | 20251112 |
| Dongying Hebang Chem | China national standards | MT | 1354.67 | USD | 20251111 |
| Dongying Hebang Chem | China national standards | MT | 1354.86 | USD | 20251110 |