| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Zhiheng | China national standards | MT | 1172.38 | USD | 20251126 |
| Sinopec | China national standards | MT | 1250.07 | USD | 20251126 |
| Aite Zhejiang | China national standards | MT | 1313.63 | USD | 20251126 |
| Shandong Qiangsen Chem | China national standards | MT | 1045.26 | USD | 20251126 |
| Shandong Qiangsen Chem | China national standards | MT | 1045.26 | USD | 20251126 |
| Shandong Yeyang Chem | China national standards | MT | 1200.63 | USD | 20251126 |
| Aite Zhejiang | China national standards | MT | 1158.26 | USD | 20251126 |
| Shandong Xima | China national standards | MT | 974.63 | USD | 20251126 |
| Sinopec | China national standards | MT | 1228.88 | USD | 20251126 |
| Lihuayi Weiyuan Chem | China national standards | MT | 1327.76 | USD | 20251126 |