| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Qiangsen Chem | China national standards | MT | 1482.36 | USD | 20251112 |
| Hubei 789 Chem | China national standards | MT | 2047.07 | USD | 20251112 |
| Shandong Zhiheng | China national standards | MT | 1552.95 | USD | 20251112 |
| Shandong Laya Chem | China national standards | MT | 1454.12 | USD | 20251112 |
| Chengdu Rongjiaxin Chem | Industrial Grade | MT | 2540.01 | USD | 20251111 |
| Shandong Huize Chem | China national standards | MT | 1763.89 | USD | 20251111 |
| Shandong Laya Chem | China national standards | MT | 1453.45 | USD | 20251111 |
| Shandong Zhiheng | China national standards | MT | 1552.23 | USD | 20251111 |
| Shandong Qiangsen Chem | China national standards | MT | 1481.67 | USD | 20251111 |
| Shandong Xima | China national standards | MT | 1467.56 | USD | 20251111 |