| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Xima | China national standards | MT | 889.13 | USD | 20251118 |
| Qingdao Shengze Chem | China national standards | MT | 875.01 | USD | 20251118 |
| Beijing Yanshan Petro | China national standards | MT | 1171.39 | USD | 20251118 |
| Qingdao Shengze Chem | China national standards | MT | 875.01 | USD | 20251118 |
| Shandong Langchem | China national standards | MT | 1114.94 | USD | 20251118 |
| Lihuayi Weiyuan Chem | China national standards | MT | 994.98 | USD | 20251118 |
| Beijing Yanshan Petro | China national standards | MT | 987.92 | USD | 20251118 |
| Shandong Xima | China national standards | MT | 889.13 | USD | 20251118 |
| Shanghai Guoke | China national standards | MT | 1281.47 | USD | 20251118 |
| Shandong Aite Chem | China national standards | MT | 1100.82 | USD | 20251118 |