| Vendor | Spec | Unit | Price | Currency | Date |
| Jinan Dezheng Chem | China national standards | MT | 971.08 | USD | 20250930 |
| Lihuayi Weiyuan Chem | China national standards | MT | 978.12 | USD | 20250930 |
| Beijing Yanshan Petro | China national standards | MT | 999.23 | USD | 20250930 |
| Lihuayi Weiyuan Chem | China national standards | MT | 999.23 | USD | 20250930 |
| Shandong Xima | China national standards | MT | 886.64 | USD | 20250930 |
| Shandong Qiangsen Chem | China national standards | MT | 928.86 | USD | 20250930 |
| Shandong Qiangsen Chem | China national standards | MT | 928.86 | USD | 20250930 |
| Unknown | China national standards | MT | 1125.89 | USD | 20250930 |
| Shandong Shuojia Chem | China national standards | MT | 992.19 | USD | 20250930 |
| Shandong Xingpeng Chem | China national standards | MT | 978.12 | USD | 20250930 |