| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Yuanhe Chem | China national standards | MT | 1072.16 | USD | 20251104 |
| Shanghai Wanzhong | China national standards | MT | 877.48 | USD | 20251104 |
| Qingdao Shengze Chem | China national standards | MT | 888.76 | USD | 20251104 |
| Shanghai SKY Chem | China national standards | MT | 1269.66 | USD | 20251104 |
| Shandong Langchem | China national standards | MT | 1114.48 | USD | 20251104 |
| Shandong Qiangsen Chem | China national standards | MT | 931.09 | USD | 20251104 |
| Jinan Angxin Chem | China national standards | MT | 945.19 | USD | 20251104 |
| Beijing Yanshan Petro | China national standards | MT | 1001.62 | USD | 20251104 |
| Qingdao Shengze Chem | China national standards | MT | 888.76 | USD | 20251104 |
| Beijing Yanshan Petro | China national standards | MT | 907.1 | USD | 20251104 |