| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Xingpeng Chem | China national standards | MT | 861.01 | USD | 20251124 |
| Qingdao Shengze Chem | China national standards | MT | 875.13 | USD | 20251124 |
| Beijing Yanshan Petro | China national standards | MT | 917.47 | USD | 20251124 |
| Shandong Jinshenrun Chem | China national standards | MT | 973.93 | USD | 20251124 |
| Beijing Yanshan Petro | China national standards | MT | 973.93 | USD | 20251124 |
| Qingdao Shengze Chem | China national standards | MT | 875.13 | USD | 20251124 |
| Qingdao Shengze Chem | China national standards | MT | 875.13 | USD | 20251124 |
| Qingdao Shengze Chem | China national standards | MT | 875.13 | USD | 20251124 |
| Lihuayi Weiyuan Chem | China national standards | MT | 931.58 | USD | 20251124 |
| Qingdao Shengze Chem | China national standards | MT | 875.13 | USD | 20251124 |