| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Jinshenrun Chem | China national standards | MT | 1130.69 | USD | 20251210 |
| Dongying Huatai Chem | China national standards | MT | 1102.43 | USD | 20251210 |
| Shandong Jinling Chem | China national standards | MT | 1144.83 | USD | 20251210 |
| Changzhou Juyun Mat | China national standards | MT | 1116.56 | USD | 20251210 |
| Shandong Langchem | China national standards | MT | 1264.96 | USD | 20251210 |
| Shandong Langchem | China national standards | MT | 1257.9 | USD | 20251210 |
| Dongying Huatai Chem | China national standards | MT | 1102.43 | USD | 20251210 |
| Shandong Xima | China national standards | MT | 918.69 | USD | 20251210 |
| Shandong Langchem | China national standards | MT | 1215.5 | USD | 20251210 |
| Shandong Langchem | China national standards | MT | 1399.23 | USD | 20251210 |