| Vendor | Spec | Unit | Price | Currency | Date |
| Weifang Yixin Chem | China national standards | MT | 1693.36 | USD | 20251113 |
| Shandong Yuxuan Chem | China national standards | MT | 1834.47 | USD | 20251113 |
| Nantong Zhonghe Chem | China national standards | MT | 1792.14 | USD | 20251113 |
| Qingdao Shengze Chem | China national standards | MT | 1594.58 | USD | 20251113 |
| Shandong Mengkanda Chem | China national standards | MT | 1080.01 | USD | 20251112 |
| Shandong Haili Chem | China national standards | MT | 1482.36 | USD | 20251112 |
| Shandong Mingyu | China national standards | MT | 1807.07 | USD | 20251112 |
| Hunan JinyuChem | China national standards | MT | 1602.36 | USD | 20251112 |
| Jinan Pulaihua Chem | China national standards | MT | 1482.36 | USD | 20251112 |
| Dongying Hebang Chem | China national standards | MT | 1355.3 | USD | 20251112 |