| Vendor | Spec | Unit | Price | Currency | Date |
| Dongying Huatai Chem | China national standards | MT | 1483.13 | USD | 20251126 |
| Jinan Aochen Chem | China national standards | MT | 1553.76 | USD | 20251126 |
| Shandong Langchem | China national standards | MT | 1214.76 | USD | 20251126 |
| Dongying Huatai Chem | China national standards | MT | 1101.76 | USD | 20251126 |
| Shandong Xingpeng Chem | China national standards | MT | 1059.38 | USD | 20251126 |
| Shandong Langchem | China national standards | MT | 1264.2 | USD | 20251126 |
| Shandong Jinling Chem | China national standards | MT | 1115.88 | USD | 20251126 |
| Shandong Jinling | China national standards | MT | 1137.07 | USD | 20251126 |
| Shandong Laya Chem | China national standards | MT | 974.63 | USD | 20251126 |
| Shandong Jinling Chem | China national standards | MT | 1130.01 | USD | 20251126 |