| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Yihe Chem | China national standards | MT | 1621.98 | USD | 20251105 |
| Shandong Yuanhe Chem | China national standards | MT | 1269.38 | USD | 20251105 |
| Shandong Yushuo Chem | China national standards | MT | 1650.19 | USD | 20251105 |
| Shandong Mingyu | China national standards | MT | 1805.74 | USD | 20251104 |
| Dongying Hebang Chem | China national standards | MT | 1354.31 | USD | 20251104 |
| Shandong Hongyang Chem | China national standards | MT | 1128.59 | USD | 20251104 |
| Shandong Yuxuan Chem | China national standards | MT | 1862.17 | USD | 20251104 |
| Jinan Aochen Chem | China national standards | MT | 1311.98 | USD | 20251104 |
| Jinan Aochen Chem | China national standards | MT | 1269.66 | USD | 20251104 |
| Jinan Qi Mat | China national standards | MT | 1636.45 | USD | 20251104 |