| Vendor | Spec | Unit | Price | Currency | Date |
| Jinan Dezheng Chem | China national standards | MT | 956.32 | USD | 20250922 |
| Shandong Aite Chem | China national standards | MT | 942.26 | USD | 20250922 |
| Hubei 789 Chem | China national standards | MT | 815.68 | USD | 20250922 |
| Hubei 789 Chem | China national standards | MT | 815.68 | USD | 20250922 |
| Jinan Jinhao Chem | China national standards | MT | 1181.33 | USD | 20250922 |
| Wanhua Yantai | China national standards | MT | 815.68 | USD | 20250922 |
| Wanhua Yantai | China national standards | MT | 984.45 | USD | 20250922 |
| Wanhua Yantai | China national standards | MT | 787.56 | USD | 20250922 |
| Wanhua Yantai | China national standards | MT | 893.03 | USD | 20250922 |
| Wanhua Yantai | China national standards | MT | 886.0 | USD | 20250922 |