| Vendor | Spec | Unit | Price | Currency | Date |
| Jinan Dezheng Chem | China national standards | MT | 999.7 | USD | 20251014 |
| Shandong Aite Chem | China national standards | MT | 887.06 | USD | 20251014 |
| Shandong Aite Chem | China national standards | MT | 887.06 | USD | 20251014 |
| Shandong Aite Chem | China national standards | MT | 943.38 | USD | 20251014 |
| Shandong Aite Chem | China national standards | MT | 943.38 | USD | 20251014 |
| Hubei 789 Chem | China national standards | MT | 816.66 | USD | 20251014 |
| Hubei 789 Chem | China national standards | MT | 816.66 | USD | 20251014 |
| Jinan Jinhao Chem | China national standards | MT | 1182.75 | USD | 20251014 |
| Wanhua Yantai | China national standards | MT | 887.06 | USD | 20251014 |
| Wanhua Yantai | China national standards | MT | 844.82 | USD | 20251014 |