| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Jinwen Chem | China national standards | MT | 1214.88 | USD | 20251129 |
| Shandong Mingyu | China national standards | MT | 1214.88 | USD | 20251129 |
| Shandong Mingyu | China national standards | MT | 1214.88 | USD | 20251129 |
| Shandong Aite Chem | China national standards | MT | 1144.25 | USD | 20251129 |
| Qingdao Shengze Chem | China national standards | MT | 1115.99 | USD | 20251129 |
| Shandong Mingyu | China national standards | MT | 1229.0 | USD | 20251129 |
| Qingdao Shengze Chem | China national standards | MT | 1115.99 | USD | 20251129 |
| Shandong Qiangsen Chem | China national standards | MT | 988.85 | USD | 20251129 |
| Shandong Aite Chem | China national standards | MT | 1144.25 | USD | 20251129 |
| Aite Zhejiang | China national standards | MT | 1130.12 | USD | 20251129 |