| Vendor | Spec | Unit | Price | Currency | Date |
| Beijing Yanshan Petro | China national standards | MT | 919.22 | USD | 20251021 |
| Lihuayi Weiyuan Chem | China national standards | MT | 919.22 | USD | 20251021 |
| Qingdao Shengze Chem | China national standards | MT | 919.22 | USD | 20251021 |
| Shandong Mingyu | China national standards | MT | 1050.33 | USD | 20251021 |
| Lihuayi Weiyuan Chem | China national standards | MT | 930.49 | USD | 20251021 |
| Shandong Jiaen Chem | China national standards | MT | 1092.63 | USD | 20251021 |
| JS Xiaomi Chem | China national standards | MT | 923.45 | USD | 20251021 |
| Shanghai Ronghe Chem | China national standards | MT | 923.45 | USD | 20251021 |
| Shanghai Wanzhong | China national standards | MT | 922.04 | USD | 20251021 |
| Nantong Zhonghe Chem | China national standards | MT | 916.4 | USD | 20251021 |