| Vendor | Spec | Unit | Price | Currency | Date |
| Jinan Qi Mat | China national standards | MT | 875.38 | USD | 20251125 |
| Qingdao Shengze Chem | China national standards | MT | 875.38 | USD | 20251125 |
| Shandong Mingyu | China national standards | MT | 1051.87 | USD | 20251125 |
| Beijing Yanshan Petro | China national standards | MT | 917.74 | USD | 20251125 |
| Hubei 789 Chem | China national standards | MT | 988.34 | USD | 20251125 |
| Qingdao Shengze Chem | China national standards | MT | 875.38 | USD | 20251125 |
| Qingdao Shengze Chem | China national standards | MT | 875.38 | USD | 20251125 |
| Changzhou Qidi Chem | China national standards | MT | 988.34 | USD | 20251125 |
| Shandong Shuojia Chem | China national standards | MT | 931.86 | USD | 20251125 |
| Lihuayi Weiyuan Chem | China national standards | MT | 875.38 | USD | 20251125 |