| Vendor | Spec | Unit | Price | Currency | Date |
| Qingdao Shengze Chem | China national standards | MT | 874.78 | USD | 20251121 |
| Shanghai Wanzhong | China national standards | MT | 880.42 | USD | 20251121 |
| Lihuayi Weiyuan Chem | China national standards | MT | 874.78 | USD | 20251121 |
| Jinan Jinrihe Chem | China national standards | MT | 1001.76 | USD | 20251121 |
| Qingdao Shengze Chem | China national standards | MT | 874.78 | USD | 20251121 |
| Qingdao Shengze Chem | China national standards | MT | 874.78 | USD | 20251121 |
| Qingdao Shengze Chem | China national standards | MT | 874.78 | USD | 20251121 |
| Nantong Zhonghe Chem | China national standards | MT | 874.78 | USD | 20251121 |
| Beijing Yanshan Petro | China national standards | MT | 1199.29 | USD | 20251121 |
| Jinan Jinrihe Chem | China national standards | MT | 1001.34 | USD | 20251120 |