| Vendor | Spec | Unit | Price | Currency | Date |
| Luxi Chem | China national standards | MT | 888.89 | USD | 20251121 |
| Lihuayi Shandong | China national standards | MT | 846.56 | USD | 20251121 |
| Qingdao Shengze Chem | China national standards | MT | 712.52 | USD | 20251121 |
| Liaocheng Yuanze Chem | China national standards | MT | 860.67 | USD | 20251121 |
| Liao Jinxinda | China national standards | MT | 719.58 | USD | 20251121 |
| Shandong Yuanhe Chem | China national standards | MT | 874.78 | USD | 20251121 |
| Sinopec | China national standards | MT | 1058.2 | USD | 20251121 |
| Qingdao Shengze Chem | China national standards | MT | 712.52 | USD | 20251121 |
| Liaocheng Yuanze Chem | China national standards | MT | 818.34 | USD | 20251121 |
| Jinan Aochen Chem | China national standards | MT | 1058.2 | USD | 20251121 |