| Vendor | Spec | Unit | Price | Currency | Date |
| Jinan Aochen Chem | China national standards | MT | 847.95 | USD | 20251201 |
| Shijiaz Bailong Chem | China national standards | MT | 847.95 | USD | 20251201 |
| Shandong QiFa Chem | China national standards | MT | 890.35 | USD | 20251201 |
| Nantong Zhonghe Chem | China national standards | MT | 720.76 | USD | 20251201 |
| Shandong Zhongke Taihua | China national standards | MT | 946.88 | USD | 20251201 |
| Shandong Zhongke Taihua | China national standards | MT | 946.88 | USD | 20251201 |
| Zibo Qixiang Chem | China national standards | MT | 847.95 | USD | 20251201 |
| Tangshan Huayi | China national standards | MT | 890.35 | USD | 20251201 |
| Jinan Jinhao Chem | China national standards | MT | 749.02 | USD | 20251201 |
| Jinan Aochen Chem | China national standards | MT | 847.95 | USD | 20251201 |