| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Jinling Chem | China national standards | MT | 1031.76 | USD | 20251210 |
| Shandong Jinling Chem | China national standards | MT | 1272.03 | USD | 20251210 |
| Shandong Hongyang Chem | China national standards | MT | 1123.63 | USD | 20251210 |
| Wudi Xinyue Chem | China national standards | MT | 1116.56 | USD | 20251210 |
| Shandong Zhiheng | China national standards | MT | 1130.69 | USD | 20251210 |
| Shandong Langchem | China national standards | MT | 1175.92 | USD | 20251210 |
| Shandong Aite Chem | China national standards | MT | 1272.03 | USD | 20251210 |
| Dongying HuataiChem | China national standards | MT | 1102.43 | USD | 20251210 |
| Shandong Mingyu | China national standards | MT | 1215.5 | USD | 20251210 |
| Shandong Jiaen Chem | China national standards | MT | 1182.99 | USD | 20251210 |