| Vendor | Spec | Unit | Price | Currency | Date |
| Lihuayi Weiyuan Chem | China national standards | MT | 619.3 | USD | 20251011 |
| Shanghai Wanzhong | China national standards | MT | 615.08 | USD | 20251011 |
| Shandong Hongyang Chem | China national standards | MT | 914.87 | USD | 20251011 |
| Liao Sanjiang Chem | China national standards | MT | 615.08 | USD | 20251011 |
| Wuhan Hengjiu Chem | China national standards | MT | 914.87 | USD | 20251011 |
| Weifang Yixin Chem | China national standards | MT | 633.37 | USD | 20251011 |
| Weifang Yixin Chem | China national standards | MT | 633.37 | USD | 20251011 |
| Nanjing Runsheng Petro | China national standards | MT | 731.9 | USD | 20251011 |
| Lihuayi Weiyuan Chem | China national standards | MT | 633.37 | USD | 20251011 |
| Shandong Hongyang Chem | China national standards | MT | 858.57 | USD | 20251011 |