| Vendor | Spec | Unit | Price | Currency | Date |
| Beijing Yanshan Petro | China national standards | MT | 874.82 | USD | 20251119 |
| Jinan Jinrihe Chem | China national standards | MT | 1001.81 | USD | 20251119 |
| Lihuayi Weiyuan Chem | China national standards | MT | 874.82 | USD | 20251119 |
| Shandong Langchem | China national standards | MT | 1107.63 | USD | 20251119 |
| Zibo Jinshuo Chem | China national standards | MT | 931.26 | USD | 20251119 |
| Qingdao Shengze Chem | China national standards | MT | 874.82 | USD | 20251119 |
| Shanghai Guoke | China national standards | MT | 1281.18 | USD | 20251119 |
| Lihuayi Weiyuan Chem | China national standards | MT | 874.82 | USD | 20251119 |
| Unknown | China national standards | MT | 888.93 | USD | 20251119 |
| Shandong Langchem | China national standards | MT | 1114.69 | USD | 20251119 |