| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Zhiheng | China national standards | MT | 1168.67 | USD | 20251014 |
| Shandong Hongyang Chem | China national standards | MT | 1189.79 | USD | 20251014 |
| Shandong Hongyang Chem | China national standards | MT | 1189.79 | USD | 20251014 |
| Xiamen Yudeshun Chem | China national standards | MT | 1337.63 | USD | 20251014 |
| Sinopec | China national standards | MT | 936.53 | USD | 20251013 |
| Lihuayi Shandong | China national standards | MT | 915.4 | USD | 20251013 |
| Wanhua Chem | China national standards | MT | 957.65 | USD | 20251013 |
| Sinopec | China national standards | MT | 936.53 | USD | 20251013 |
| Sinopec | China national standards | MT | 915.4 | USD | 20251013 |
| Shaanxi Yanchang Petro | China national standards | MT | 915.4 | USD | 20251013 |