| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Langchem | China national standards | MT | 1129.37 | USD | 20251107 |
| Lihuayi Weiyuan Chem | China national standards | MT | 1157.6 | USD | 20251107 |
| Shandong Langchem | China national standards | MT | 1108.19 | USD | 20251107 |
| Shandong Langchem | China national standards | MT | 1115.25 | USD | 20251107 |
| Shandong Zhiheng | China national standards | MT | 907.73 | USD | 20251107 |
| Lihuayi Weiyuan Chem | China national standards | MT | 995.26 | USD | 20251107 |
| Shandong Aite Chem | China national standards | MT | 1101.14 | USD | 20251107 |
| Beijing Yanshan Petro | China national standards | MT | 907.73 | USD | 20251107 |
| Beijing Yanshan Petro | China national standards | MT | 1171.72 | USD | 20251107 |
| Lihuayi Weiyuan Chem | China national standards | MT | 917.61 | USD | 20251107 |