| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Yeyang Chem | China national standards | MT | 819.02 | USD | 20251117 |
| Shandong Kaitai Petro | China national standards | MT | 917.87 | USD | 20251117 |
| Wanhua Yantai | China national standards | MT | 790.78 | USD | 20251117 |
| Shandong Kaitai Petro | China national standards | MT | 889.63 | USD | 20251117 |
| Jinan Qi Mat | China national standards | MT | 1030.84 | USD | 20251117 |
| Jinan Aochen Chem | China national standards | MT | 960.23 | USD | 20251117 |
| Jinan Aochen Chem | China national standards | MT | 1242.66 | USD | 20251117 |
| Jinan Aochen Chem | China national standards | MT | 1200.29 | USD | 20251117 |
| Shandong Xima | China national standards | MT | 790.78 | USD | 20251117 |
| Zibo Lishuo Chem | China national standards | MT | 847.27 | USD | 20251117 |