| Vendor | Spec | Unit | Price | Currency | Date |
| Shanghai SKY Chem | China national standards | MT | 1356.83 | USD | 20251210 |
| Shandong Aite Chem | China national standards | MT | 904.56 | USD | 20251210 |
| Shandong Aite Chem | China national standards | MT | 904.56 | USD | 20251210 |
| Shandong Xingpeng Chem | China national standards | MT | 720.82 | USD | 20251210 |
| Shandong Xingpeng Chem | China national standards | MT | 720.82 | USD | 20251210 |
| Shandong Xingpeng Chem | China national standards | MT | 720.82 | USD | 20251210 |
| Shandong Xingpeng Chem | China national standards | MT | 720.82 | USD | 20251210 |
| Shandong Xingpeng Chem | China national standards | MT | 720.82 | USD | 20251210 |
| Shandong Xingpeng Chem | China national standards | MT | 749.08 | USD | 20251210 |
| Shandong River Chem | China national standards | MT | 727.88 | USD | 20251210 |