| Vendor | Spec | Unit | Price | Currency | Date |
| Nantong Zhonghe Chem | China national standards | MT | 1790.55 | USD | 20251024 |
| Shandong Yeyang Chem | China national standards | MT | 1149.05 | USD | 20251024 |
| Dongying Hebang Chem | China national standards | MT | 1353.49 | USD | 20251024 |
| Shandong Hongyang Chem | China national standards | MT | 1127.9 | USD | 20251024 |
| Jinan Aochen Chem | China national standards | MT | 1311.19 | USD | 20251024 |
| Shandong Junfeng | China national standards | MT | 916.42 | USD | 20251024 |
| Shandong Qiangsen Chem | China national standards | MT | 1057.41 | USD | 20251024 |
| JS Yangnong Chem | China national standards | MT | 852.98 | USD | 20251024 |
| Shandong Mengkanda Chem | China national standards | MT | 1078.56 | USD | 20251024 |
| Shandong Yuxuan Chem | China national standards | MT | 1861.04 | USD | 20251024 |