| Vendor | Spec | Unit | Price | Currency | Date |
| Shanghai SinoMitsui | China national standards | MT | 890.09 | USD | 20251127 |
| Shandong Langchem | China national standards | MT | 1130.01 | USD | 20251126 |
| Shanghai SKY Chem | China national standards | MT | 1271.26 | USD | 20251126 |
| Shandong Shuojia Chem | China national standards | MT | 932.26 | USD | 20251126 |
| Hubei 789 Chem | China national standards | MT | 988.76 | USD | 20251126 |
| Lihuayi Weiyuan Chem | China national standards | MT | 875.76 | USD | 20251126 |
| Shandong Langchem | China national standards | MT | 1101.76 | USD | 20251126 |
| Shandong Langchem | China national standards | MT | 1115.88 | USD | 20251126 |
| Qingdao Shengze Chem | China national standards | MT | 875.76 | USD | 20251126 |
| Beijing Yanshan Petro | China national standards | MT | 875.76 | USD | 20251126 |