| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Jiaen Chem | China national standards | MT | 1093.38 | USD | 20251027 |
| Shandong Yuanhe Chem | China national standards | MT | 1072.22 | USD | 20251027 |
| Beijing Yanshan Petro | China national standards | MT | 1058.11 | USD | 20251027 |
| Sinopec | China national standards | MT | 1072.22 | USD | 20251027 |
| Zibo Jinshuo Chem | China national standards | MT | 945.25 | USD | 20251027 |
| Shiyou Yangzhou Chem | China national standards | MT | 919.85 | USD | 20251027 |
| Lihuayi Weiyuan Chem | China national standards | MT | 919.85 | USD | 20251027 |
| Beijing Yanshan Petro | China national standards | MT | 919.85 | USD | 20251027 |
| Jinan Qi Mat | China national standards | MT | 919.85 | USD | 20251027 |
| Lihuayi Weiyuan Chem | China national standards | MT | 931.14 | USD | 20251027 |