| Vendor | Spec | Unit | Price | Currency | Date |
| Lihuayi Weiyuan Chem | China national standards | MT | 918.35 | USD | 20251127 |
| Beijing Yanshan Petro | China national standards | MT | 890.09 | USD | 20251127 |
| Unknown | China national standards | MT | 885.86 | USD | 20251127 |
| Beijing Yanshan Petro | China national standards | MT | 875.97 | USD | 20251127 |
| Unknown | China national standards | MT | 873.14 | USD | 20251127 |
| Shandong Langchem | China national standards | MT | 1116.15 | USD | 20251127 |
| Qingdao Shengze Chem | China national standards | MT | 875.97 | USD | 20251127 |
| Shandong Xingpeng Chem | China national standards | MT | 883.03 | USD | 20251127 |
| Beijing Yanshan Petro | China national standards | MT | 883.03 | USD | 20251127 |
| Shandong Langchem | China national standards | MT | 1116.15 | USD | 20251127 |