| Vendor | Spec | Unit | Price | Currency | Date |
| Jinan Jinhao Chem | China national standards | MT | 1241.78 | USD | 20251111 |
| Unknown | China national standards | MT | 889.0 | USD | 20251111 |
| Beijing Yanshan Petro | China national standards | MT | 1171.22 | USD | 20251111 |
| Shandong Langchem | China national standards | MT | 1100.67 | USD | 20251111 |
| Shandong Hongyang Chem | China national standards | MT | 907.35 | USD | 20251111 |
| Shandong Zhiheng | China national standards | MT | 907.35 | USD | 20251111 |
| Jinan Angxin Chem | China national standards | MT | 917.22 | USD | 20251111 |
| Beijing Yanshan Petro | China national standards | MT | 907.35 | USD | 20251111 |
| Shandong Huize Chem | China national standards | MT | 959.56 | USD | 20251111 |
| Lihuayi Weiyuan Chem | China national standards | MT | 1157.11 | USD | 20251111 |