| Vendor | Spec | Unit | Price | Currency | Date |
| Jinan Aochen Chem | China national standards | MT | 1031.47 | USD | 20251209 |
| Shandong Jiaen Chem | China national standards | MT | 847.78 | USD | 20251209 |
| Wuhan Hengjiu Chem | China national standards | MT | 989.08 | USD | 20251209 |
| Wuhan Hengjiu Chem | China national standards | MT | 989.08 | USD | 20251209 |
| Wuhan Hengjiu Chem | China national standards | MT | 989.08 | USD | 20251209 |
| Qingdao Shengze Chem | China national standards | MT | 763.0 | USD | 20251209 |
| Qingdao Shengze Chem | China national standards | MT | 763.0 | USD | 20251209 |
| Qingdao Shengze Chem | China national standards | MT | 763.0 | USD | 20251209 |
| Qingdao Shengze Chem | China national standards | MT | 763.0 | USD | 20251209 |
| Shandong Mengkanda Chem | China national standards | MT | 763.0 | USD | 20251209 |