| Vendor | Spec | Unit | Price | Currency | Date |
| Qingdao Shengze Chem | China national standards | MT | 874.82 | USD | 20251119 |
| Qingdao Shengze Chem | China national standards | MT | 874.82 | USD | 20251119 |
| Qingdao Shengze Chem | China national standards | MT | 874.82 | USD | 20251119 |
| Lihuayi Weiyuan Chem | China national standards | MT | 917.15 | USD | 20251119 |
| Shanghai SKY Chem | China national standards | MT | 1269.9 | USD | 20251119 |
| Qingdao Shengze Chem | China national standards | MT | 874.82 | USD | 20251119 |
| Beijing Yanshan Petro | China national standards | MT | 874.82 | USD | 20251119 |
| Shandong Junfeng | China national standards | MT | 1058.25 | USD | 20251119 |
| Beijing Yanshan Petro | China national standards | MT | 987.7 | USD | 20251119 |
| Qingdao Shengze Chem | China national standards | MT | 874.82 | USD | 20251119 |