| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Zhiheng | China national standards | MT | 801.1 | USD | 20250926 |
| Jinan Dezheng Chem | China national standards | MT | 955.7 | USD | 20250926 |
| Shandong Aite Chem | China national standards | MT | 941.65 | USD | 20250926 |
| Hubei 789 Chem | China national standards | MT | 815.16 | USD | 20250926 |
| Hubei 789 Chem | China national standards | MT | 815.16 | USD | 20250926 |
| Wanhua Yantai | China national standards | MT | 983.81 | USD | 20250926 |
| Wanhua Yantai | China national standards | MT | 815.16 | USD | 20250926 |
| Wanhua Yantai | China national standards | MT | 885.43 | USD | 20250926 |
| Wanhua Yantai | China national standards | MT | 787.05 | USD | 20250926 |
| Wanhua Yantai | China national standards | MT | 787.05 | USD | 20250926 |