| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Aite Chem | China national standards | MT | 1100.45 | USD | 20251031 |
| Beijing Yanshan Petro | China national standards | MT | 1058.13 | USD | 20251031 |
| Shandong Aite Chem | China national standards | MT | 1241.53 | USD | 20251031 |
| Jinan Angxin Chem | China national standards | MT | 917.04 | USD | 20251031 |
| Jinan Pulaihua Chem | China national standards | MT | 1036.96 | USD | 20251031 |
| Beijing Yanshan Petro | China national standards | MT | 1156.88 | USD | 20251031 |
| Jinan Pulaihua Chem | China national standards | MT | 1156.88 | USD | 20251031 |
| Lihuayi Weiyuan Chem | China national standards | MT | 1199.21 | USD | 20251031 |
| Jinan Pulaihua Chem | China national standards | MT | 1199.21 | USD | 20251031 |
| Lihuayi Weiyuan Chem | China national standards | MT | 994.64 | USD | 20251031 |