| Vendor | Spec | Unit | Price | Currency | Date |
| Zibo Lishuo Chem | China national standards | MT | 847.06 | USD | 20251112 |
| Sinopec | China national standards | MT | 818.83 | USD | 20251112 |
| Sinopec | China national standards | MT | 818.83 | USD | 20251112 |
| Shandong Yaoming Chem | China national standards | MT | 832.95 | USD | 20251112 |
| Shandong Zhiheng | China national standards | MT | 804.71 | USD | 20251112 |
| Jinan Aochen Chem | China national standards | MT | 917.65 | USD | 20251112 |
| Jinan Aochen Chem | China national standards | MT | 1242.36 | USD | 20251112 |
| Shandong Qiangsen Chem | China national standards | MT | 818.83 | USD | 20251112 |
| Shandong Aite Chem | China national standards | MT | 889.42 | USD | 20251112 |
| Shandong Aite Chem | China national standards | MT | 889.42 | USD | 20251112 |