| Vendor | Spec | Unit | Price | Currency | Date |
| Jinan Dezheng Chem | China national standards | MT | 971.08 | USD | 20251008 |
| Lihuayi Weiyuan Chem | China national standards | MT | 985.15 | USD | 20251008 |
| Shiyou Yangzhou Chem | China national standards | MT | 985.15 | USD | 20251008 |
| Qingdao Shengze Chem | China national standards | MT | 985.15 | USD | 20251008 |
| Beijing Yanshan Petro | China national standards | MT | 985.15 | USD | 20251008 |
| Shandong Xingpeng Chem | China national standards | MT | 957.01 | USD | 20251008 |
| Lihuayi Weiyuan Chem | China national standards | MT | 942.93 | USD | 20251008 |
| Shandong Xima | China national standards | MT | 886.64 | USD | 20251008 |
| Shandong Qiangsen Chem | China national standards | MT | 928.86 | USD | 20251008 |
| Shandong Qiangsen Chem | China national standards | MT | 928.86 | USD | 20251008 |