| Vendor | Spec | Unit | Price | Currency | Date |
| Lihuayi Weiyuan Chem | China national standards | MT | 875.84 | USD | 20251129 |
| Beijing Yanshan Petro | China national standards | MT | 1172.5 | USD | 20251129 |
| Lihuayi Weiyuan Chem | China national standards | MT | 875.84 | USD | 20251129 |
| Jinan Qi Mat | China national standards | MT | 875.84 | USD | 20251129 |
| Shandong Xima | China national standards | MT | 889.97 | USD | 20251129 |
| Qingdao Shengze Chem | China national standards | MT | 875.84 | USD | 20251129 |
| Shandong Jinshenrun Chem | China national standards | MT | 974.73 | USD | 20251129 |
| Qingdao Shengze Chem | China national standards | MT | 875.84 | USD | 20251129 |
| Shandong Langchem | China national standards | MT | 1130.12 | USD | 20251129 |
| Beijing Yanshan Petro | China national standards | MT | 875.84 | USD | 20251129 |