| Vendor | Spec | Unit | Price | Currency | Date |
| Qingdao Shengze Chem | China national standards | MT | 875.13 | USD | 20251124 |
| Shandong Aite Chem | China national standards | MT | 1100.96 | USD | 20251124 |
| Shandong Jiaen Chem | China national standards | MT | 952.76 | USD | 20251124 |
| Lihuayi Weiyuan Chem | China national standards | MT | 1157.42 | USD | 20251124 |
| Beijing Yanshan Petro | China national standards | MT | 1171.54 | USD | 20251124 |
| Beijing Yanshan Petro | China national standards | MT | 1199.77 | USD | 20251124 |
| Shandong Jinshenrun Chem | China national standards | MT | 973.93 | USD | 20251124 |
| Qingdao Shengze Chem | China national standards | MT | 875.13 | USD | 20251124 |
| Lihuayi Weiyuan Chem | China national standards | MT | 874.78 | USD | 20251123 |
| Beijing Yanshan Petro | China national standards | MT | 874.78 | USD | 20251123 |