| Vendor | Spec | Unit | Price | Currency | Date |
| Beijing Yanshan Petro | China national standards | MT | 1173.16 | USD | 20251205 |
| Shandong Qiangsen Chem | China national standards | MT | 932.88 | USD | 20251205 |
| Shandong Zhiheng | China national standards | MT | 908.85 | USD | 20251205 |
| Shandong Langchem | China national standards | MT | 1109.56 | USD | 20251205 |
| Lihuayi Weiyuan Chem | China national standards | MT | 918.74 | USD | 20251205 |
| Beijing Yanshan Petro | China national standards | MT | 1201.43 | USD | 20251205 |
| Shanghai SKY Chem | China national standards | MT | 1272.1 | USD | 20251205 |
| Lihuayi Weiyuan Chem | China national standards | MT | 1159.03 | USD | 20251205 |
| Beijing Yanshan Petro | China national standards | MT | 805.67 | USD | 20251205 |
| Shandong Junfeng | China national standards | MT | 989.41 | USD | 20251205 |