| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Junfeng | China national standards | MT | 1058.83 | USD | 20251112 |
| Hubei 789 Chem | China national standards | MT | 988.24 | USD | 20251112 |
| Beijing Yanshan Petro | China national standards | MT | 917.65 | USD | 20251112 |
| Shandong Zhiheng | China national standards | MT | 907.77 | USD | 20251112 |
| Shandong Langchem | China national standards | MT | 1108.24 | USD | 20251112 |
| Unknown | China national standards | MT | 892.24 | USD | 20251112 |
| Shandong Huize Chem | China national standards | MT | 959.56 | USD | 20251111 |
| Shandong Zhiheng | China national standards | MT | 907.35 | USD | 20251111 |
| Lihuayi Weiyuan Chem | China national standards | MT | 994.84 | USD | 20251111 |
| Beijing Yanshan Petro | China national standards | MT | 907.35 | USD | 20251111 |