| Vendor | Spec | Unit | Price | Currency | Date |
| CNOOC | China national standards | MT | 565.38 | USD | 20251207 |
| Shandong Jinshenrun Chem | China national standards | MT | 565.38 | USD | 20251207 |
| Shanxi Yangmei Chem | China national standards | MT | 513.08 | USD | 20251207 |
| Qingdao Shengze Chem | China national standards | MT | 513.08 | USD | 20251207 |
| Shandong Yihe Chem | China national standards | MT | 515.91 | USD | 20251207 |
| Jinan Jinrihe Chem | China national standards | MT | 579.51 | USD | 20251207 |
| Jinan Qi Mat | China national standards | MT | 513.08 | USD | 20251206 |
| Lihuayi Weiyuan Chem | China national standards | MT | 579.51 | USD | 20251206 |
| Beijing Yanshan Petro | China national standards | MT | 522.98 | USD | 20251206 |
| Chengdu Rongjiaxin Chem | China national standards | MT | 678.45 | USD | 20251206 |