| Vendor | Spec | Unit | Price | Currency | Date |
| Dongying Qirun Chem | China national standards | MT | 133.47 | USD | 20260130 |
| Mengzi Metallurgy | China national standards | MT | 124.54 | USD | 20260127 |
| Shandong Kenli Petro | China national standards | MT | 111.12 | USD | 20260108 |
| Hebei Xinhai Chem | China national standards | MT | 121.09 | USD | 20260108 |
| Shandong Kenli Petro | China national standards | MT | 111.12 | USD | 20260108 |
| Hebei Xinhai Chem | China national standards | MT | 121.09 | USD | 20260108 |
| Shandong Jincheng Petro | China national standards | MT | 116.83 | USD | 20260107 |
| Dongying Qirun Chem | China national standards | MT | 115.41 | USD | 20260107 |
| Dongying Qirun Chem | China national standards | MT | 115.41 | USD | 20260107 |
| Shandong Chambroad Energy | China national standards | MT | 126.83 | USD | 20260106 |