| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Yeyang Chem | China national standards | MT | 791.03 | USD | 20251202 |
| Shandong Shuojia Chem | China national standards | MT | 734.53 | USD | 20251202 |
| Shandong Yeyang Chem | China national standards | MT | 776.9 | USD | 20251202 |
| Yankuang Guotai Chem | China national standards | MT | 833.4 | USD | 20251202 |
| Nanjing Runsheng Petro | China national standards | MT | 720.4 | USD | 20251202 |
| Shandong Langchem | China national standards | MT | 868.72 | USD | 20251202 |
| Nanjing Runsheng Petro | China national standards | MT | 720.4 | USD | 20251202 |
| Aite Zhejiang | China national standards | MT | 706.27 | USD | 20251202 |
| Shandong Junfeng | China national standards | MT | 791.03 | USD | 20251202 |
| Jinan Angxin Chem | China national standards | MT | 748.65 | USD | 20251202 |