| Vendor | Spec | Unit | Price | Currency | Date |
| Jinan Jinhao Chem | China national standards | MT | 1241.8 | USD | 20251113 |
| Qingdao Shengze Chem | China national standards | MT | 874.9 | USD | 20251113 |
| Shanghai SKY Chem | China national standards | MT | 1270.02 | USD | 20251113 |
| Shandong Xingpeng Chem | China national standards | MT | 903.13 | USD | 20251113 |
| Shanghai Wanzhong | China national standards | MT | 886.19 | USD | 20251113 |
| Beijing Yanshan Petro | China national standards | MT | 874.9 | USD | 20251113 |
| Qingdao Shengze Chem | China national standards | MT | 874.9 | USD | 20251113 |
| Shandong Junfeng | China national standards | MT | 987.79 | USD | 20251113 |
| Shandong Langchem | China national standards | MT | 1128.91 | USD | 20251113 |
| Lihuayi Weiyuan Chem | China national standards | MT | 994.85 | USD | 20251113 |