| Vendor | Spec | Unit | Price | Currency | Date |
| Nantong Zhonghe Chem | China national standards | MT | 875.01 | USD | 20251118 |
| Shandong Jinshenrun Chem | China national standards | MT | 987.92 | USD | 20251118 |
| Beijing Yanshan Petro | China national standards | MT | 987.92 | USD | 20251118 |
| Qingdao Shengze Chem | China national standards | MT | 875.01 | USD | 20251118 |
| Shandong Qiangsen Chem | China national standards | MT | 931.47 | USD | 20251118 |
| Shiyou Yangzhou Chem | China national standards | MT | 875.01 | USD | 20251118 |
| Unknown | China national standards | MT | 890.54 | USD | 20251118 |
| Shanghai Guoke | China national standards | MT | 1281.47 | USD | 20251118 |
| Lihuayi Weiyuan Chem | China national standards | MT | 994.98 | USD | 20251118 |
| Shandong Shuojia Chem | China national standards | MT | 931.47 | USD | 20251118 |