| Vendor | Spec | Unit | Price | Currency | Date |
| Lihuayi Weiyuan Chem | China national standards | MT | 890.47 | USD | 20251205 |
| Shandong Hongyang Chem | China national standards | MT | 908.85 | USD | 20251205 |
| Unknown | China national standards | MT | 833.93 | USD | 20251205 |
| Sinopec | China national standards | MT | 841.0 | USD | 20251205 |
| Shandong Zhiheng | China national standards | MT | 908.85 | USD | 20251205 |
| Unknown | China national standards | MT | 812.73 | USD | 20251205 |
| Qingdao Shengze Chem | China national standards | MT | 819.8 | USD | 20251205 |
| Jinan Angxin Chem | China national standards | MT | 918.74 | USD | 20251205 |
| Shandong Qiangsen Chem | China national standards | MT | 932.88 | USD | 20251205 |
| Beijing Yanshan Petro | China national standards | MT | 908.85 | USD | 20251205 |