| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Qiangsen Chem | China national standards | MT | 932.82 | USD | 20251210 |
| Qingdao Shengze Chem | China national standards | MT | 805.62 | USD | 20251210 |
| Shandong Zhiheng | China national standards | MT | 908.8 | USD | 20251210 |
| Lihuayi Weiyuan Chem | China national standards | MT | 890.42 | USD | 20251210 |
| Shandong Xingpeng Chem | China national standards | MT | 819.75 | USD | 20251210 |
| Lihuayi Weiyuan Chem | China national standards | MT | 1158.96 | USD | 20251210 |
| Lihuayi Weiyuan Chem | China national standards | MT | 848.02 | USD | 20251210 |
| Qingdao Shengze Chem | China national standards | MT | 805.62 | USD | 20251210 |
| Beijing Yanshan Petro | China national standards | MT | 1201.36 | USD | 20251210 |
| Shandong Xingpeng Chem | China national standards | MT | 819.75 | USD | 20251210 |