| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Zhiheng | China national standards | MT | 802.17 | USD | 20250923 |
| Jinan Dezheng Chem | China national standards | MT | 956.98 | USD | 20250923 |
| Shandong Aite Chem | China national standards | MT | 942.9 | USD | 20250923 |
| Hubei 789 Chem | China national standards | MT | 816.25 | USD | 20250923 |
| Hubei 789 Chem | China national standards | MT | 816.25 | USD | 20250923 |
| Wanhua Yantai | China national standards | MT | 886.61 | USD | 20250923 |
| Wanhua Yantai | China national standards | MT | 816.25 | USD | 20250923 |
| Wanhua Yantai | China national standards | MT | 985.12 | USD | 20250923 |
| Wanhua Yantai | China national standards | MT | 893.65 | USD | 20250923 |
| Wanhua Yantai | China national standards | MT | 788.1 | USD | 20250923 |