| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Laya Chem | China national standards | MT | 790.59 | USD | 20251112 |
| Jinan Aochen Chem | China national standards | MT | 1242.36 | USD | 20251112 |
| Zibo Lishuo Chem | China national standards | MT | 847.06 | USD | 20251112 |
| Shandong Zhiheng | China national standards | MT | 804.71 | USD | 20251112 |
| Jinan Aochen Chem | China national standards | MT | 1200.01 | USD | 20251112 |
| Wanhua Yantai | China national standards | MT | 818.83 | USD | 20251112 |
| Shandong Kaitai Petro | China national standards | MT | 917.65 | USD | 20251112 |
| Shandong Xima | China national standards | MT | 790.59 | USD | 20251112 |
| Shandong Aite Chem | China national standards | MT | 889.42 | USD | 20251112 |
| Shandong Aite Chem | China national standards | MT | 889.42 | USD | 20251112 |