| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Langchem | China national standards | MT | 1197.07 | USD | 20251013 |
| Shandong Zhiheng | China national standards | MT | 1126.65 | USD | 20251013 |
| Shandong Zhiheng | China national standards | MT | 1126.65 | USD | 20251013 |
| Shandong Zhiheng | China national standards | MT | 1168.9 | USD | 20251013 |
| Shandong Yeyang Chem | China national standards | MT | 1239.31 | USD | 20251013 |
| Shandong Hongyang Chem | China national standards | MT | 1185.8 | USD | 20251013 |
| Shandong Hongyang Chem | China national standards | MT | 1119.61 | USD | 20251013 |
| Shandong Jiaen Chem | China national standards | MT | 1178.08 | USD | 20251012 |
| Dongying HuataiChem | China national standards | MT | 1055.62 | USD | 20251012 |
| Shandong Jinling Chem | China national standards | MT | 1055.62 | USD | 20251012 |