| Vendor | Spec | Unit | Price | Currency | Date |
| Lihuayi Weiyuan Chem | China national standards | MT | 847.78 | USD | 20251209 |
| Shanghai SKY Chem | China national standards | MT | 1271.67 | USD | 20251209 |
| Shiyou Yangzhou Chem | China national standards | MT | 805.39 | USD | 20251209 |
| Beijing Yanshan Petro | China national standards | MT | 918.43 | USD | 20251209 |
| Sinopec | China national standards | MT | 819.52 | USD | 20251209 |
| Beijing Yanshan Petro | China national standards | MT | 819.52 | USD | 20251209 |
| Sinopec | China national standards | MT | 826.59 | USD | 20251209 |
| Shandong Jiaen Chem | China national standards | MT | 953.75 | USD | 20251209 |
| JS Xiaomi Chem | China national standards | MT | 812.46 | USD | 20251209 |
| Jinan Xinbo Chem | China national standards | MT | 1158.63 | USD | 20251209 |