| Vendor | Spec | Unit | Price | Currency | Date |
| Dongying Hebang Chem | China national standards | MT | 1354.55 | USD | 20251119 |
| Shandong Yushuo Chem | China national standards | MT | 1608.53 | USD | 20251119 |
| Aite Zhejiang | China national standards | MT | 1269.9 | USD | 20251119 |
| Shandong Yushuo Chem | China national standards | MT | 1566.2 | USD | 20251119 |
| Qingdao Shengze Chem | China national standards | MT | 1594.42 | USD | 20251119 |
| Qingdao Shengze Chem | China national standards | MT | 1594.42 | USD | 20251119 |
| Shandong Langchem | China national standards | MT | 1185.24 | USD | 20251119 |
| Qingdao Shengze Chem | China national standards | MT | 1594.42 | USD | 20251119 |
| Shandong Yushuo Chem | China national standards | MT | 1566.2 | USD | 20251119 |
| Shandong Junfeng | China national standards | MT | 924.2 | USD | 20251119 |