| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Qiangsen Chem | China national standards | MT | 932.81 | USD | 20251203 |
| Shandong Huize Chem | China national standards | MT | 960.53 | USD | 20251202 |
| Shanghai Wanzhong | China national standards | MT | 847.53 | USD | 20251202 |
| Lihuayi Weiyuan Chem | China national standards | MT | 875.78 | USD | 20251202 |
| Zibo Jinshuo Chem | China national standards | MT | 918.16 | USD | 20251202 |
| Hubei 789 Chem | China national standards | MT | 988.78 | USD | 20251202 |
| Shanghai Wanzhong | China national standards | MT | 854.59 | USD | 20251202 |
| Hubei 789 Chem | China national standards | MT | 988.78 | USD | 20251202 |
| Beijing Yanshan Petro | China national standards | MT | 1200.67 | USD | 20251202 |
| Qingdao Shengze Chem | China national standards | MT | 875.78 | USD | 20251202 |