| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Zhongke Taihua | China national standards | MT | 946.11 | USD | 20251117 |
| Jinan Aochen Chem | China national standards | MT | 847.27 | USD | 20251117 |
| Jinan Aochen Chem | China national standards | MT | 847.27 | USD | 20251117 |
| Shandong Yushuo Chem | China national standards | MT | 748.42 | USD | 20251117 |
| Shijiaz Bailong Chem | China national standards | MT | 847.27 | USD | 20251117 |
| Shandong Yushuo Chem | China national standards | MT | 748.42 | USD | 20251117 |
| Shandong Yushuo Chem | China national standards | MT | 748.42 | USD | 20251117 |
| Shandong Yushuo Chem | China national standards | MT | 748.42 | USD | 20251117 |
| Zibo Lishuo Chem | China national standards | MT | 819.02 | USD | 20251117 |
| Shandong Wonfull Petro | China national standards | MT | 847.27 | USD | 20251117 |