| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Qiangsen Chem | China national standards | MT | 818.79 | USD | 20251107 |
| Jinan Aochen Chem | China national standards | MT | 917.61 | USD | 20251107 |
| Jinan Aochen Chem | China national standards | MT | 988.2 | USD | 20251107 |
| Hunan Qilu Tech | China national standards | MT | 1101.14 | USD | 20251107 |
| Hubei 789 Chem | China national standards | MT | 818.79 | USD | 20251107 |
| Hubei 789 Chem | China national standards | MT | 818.79 | USD | 20251107 |
| Jinan Jinhao Chem | China national standards | MT | 1115.25 | USD | 20251107 |
| Wanhua Yantai | China national standards | MT | 889.38 | USD | 20251107 |
| Wanhua Yantai | China national standards | MT | 896.44 | USD | 20251107 |
| Wanhua Yantai | China national standards | MT | 832.91 | USD | 20251107 |