| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Hongyang Chem | China national standards | MT | 1434.57 | USD | 20251210 |
| Shandong Lifuda | China national standards | MT | 1074.16 | USD | 20251210 |
| Shandong Jinling Chem | China national standards | MT | 1144.83 | USD | 20251210 |
| Shandong Aite Chem | China national standards | MT | 1455.77 | USD | 20251210 |
| Shandong Jinwen Chem | China national standards | MT | 1215.5 | USD | 20251210 |
| Nanjing Runhua Chem | China national standards | MT | 1113.73 | USD | 20251210 |
| Shandong Jinling Chem | China national standards | MT | 1413.37 | USD | 20251210 |
| Shandong Aite Chem | China national standards | MT | 1158.96 | USD | 20251210 |
| Shandong Xingpeng Chem | China national standards | MT | 1060.03 | USD | 20251210 |
| Shandong Langchem | China national standards | MT | 1399.23 | USD | 20251210 |