| Vendor | Spec | Unit | Price | Currency | Date |
| Jinan Qi Mat | China national standards | MT | 839.84 | USD | 20251124 |
| Liao Jinxinda | China national standards | MT | 853.95 | USD | 20251124 |
| Qingdao Shengze Chem | China national standards | MT | 839.84 | USD | 20251124 |
| Nanjing Runsheng Petro | China national standards | MT | 931.58 | USD | 20251124 |
| Qingdao Shengze Chem | China national standards | MT | 839.84 | USD | 20251124 |
| Shandong Hualu | China national standards | MT | 917.47 | USD | 20251124 |
| Shandong Zhenkun | China national standards | MT | 1079.79 | USD | 20251124 |
| Jinan Aochen Chem | China national standards | MT | 1312.69 | USD | 20251124 |
| Shandong Yuxuan Chem | China national standards | MT | 966.87 | USD | 20251124 |
| Luxi Chem | China national standards | MT | 875.13 | USD | 20251124 |