| Vendor | Spec | Unit | Price | Currency | Date |
| Lihuayi Weiyuan Chem | China national standards | MT | 819.52 | USD | 20251209 |
| Shandong Mingyu | China national standards | MT | 1052.66 | USD | 20251209 |
| Shandong Xingpeng Chem | China national standards | MT | 861.91 | USD | 20251209 |
| Nantong Zhonghe Chem | China national standards | MT | 876.04 | USD | 20251209 |
| Beijing Yanshan Petro | China national standards | MT | 1201.02 | USD | 20251209 |
| Shandong Shuojia Chem | China national standards | MT | 847.78 | USD | 20251209 |
| Shanghai Shengyishe | China national standards | MT | 822.35 | USD | 20251209 |
| Qingdao Shengze Chem | China national standards | MT | 805.39 | USD | 20251209 |
| Beijing Yanshan Petro | China national standards | MT | 819.52 | USD | 20251209 |
| Sinopec | China national standards | MT | 826.59 | USD | 20251209 |