| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Langchem | China national standards | MT | 1101.14 | USD | 20251107 |
| Shandong Jinshenrun Chem | China national standards | MT | 988.2 | USD | 20251107 |
| Zibo Jinshuo Chem | China national standards | MT | 917.61 | USD | 20251107 |
| Lihuayi Weiyuan Chem | China national standards | MT | 889.38 | USD | 20251107 |
| Hubei 789 Chem | China national standards | MT | 988.2 | USD | 20251107 |
| Beijing Yanshan Petro | China national standards | MT | 889.38 | USD | 20251107 |
| Jinan Jinhao Chem | China national standards | MT | 1242.31 | USD | 20251107 |
| Jinan Qi Mat | China national standards | MT | 889.38 | USD | 20251107 |
| Shandong Junfeng | China national standards | MT | 988.2 | USD | 20251107 |
| Shandong Junfeng | China national standards | MT | 917.61 | USD | 20251107 |