| Vendor | Spec | Unit | Price | Currency | Date |
| Lihuayi Weiyuan Chem | China national standards | MT | 875.01 | USD | 20251118 |
| Jinan Jinhao Chem | China national standards | MT | 1241.96 | USD | 20251118 |
| Shandong Langchem | China national standards | MT | 1129.05 | USD | 20251118 |
| Shanghai Wanzhong | China national standards | MT | 890.54 | USD | 20251118 |
| Shandong Zhiheng | China national standards | MT | 907.47 | USD | 20251118 |
| Beijing Yanshan Petro | China national standards | MT | 1058.48 | USD | 20251118 |
| Sinopec | China national standards | MT | 889.13 | USD | 20251118 |
| Hubei 789 Chem | China national standards | MT | 987.92 | USD | 20251118 |
| Beijing Yanshan Petro | China national standards | MT | 875.01 | USD | 20251118 |
| Changzhou Qidi Chem | China national standards | MT | 987.92 | USD | 20251118 |