| Vendor | Spec | Unit | Price | Currency | Date |
| Jinan Aochen Chem | China national standards | MT | 1310.8 | USD | 20251018 |
| Jinan Aochen Chem | China national standards | MT | 1353.08 | USD | 20251018 |
| Jinan Aochen Chem | China national standards | MT | 1268.52 | USD | 20251018 |
| Jinan Aochen Chem | China national standards | MT | 1353.08 | USD | 20251018 |
| Jinan Aochen Chem | China national standards | MT | 1353.08 | USD | 20251018 |
| Jinan Jiaxing Chem | China national standards | MT | 1127.57 | USD | 20251018 |
| Jinan Jiaxing Chem | China national standards | MT | 986.62 | USD | 20251018 |
| Shandong Mingyu | China national standards | MT | 1818.21 | USD | 20251018 |
| Shandong Xingpeng Chem | China national standards | MT | 1761.83 | USD | 20251018 |
| Qingdao Shengze Chem | China national standards | MT | 1592.69 | USD | 20251018 |