| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Xingpeng Chem | China national standards | MT | 748.97 | USD | 20251208 |
| Shandong Huize Chem | China national standards | MT | 692.44 | USD | 20251208 |
| Nanjing Runsheng Petro | China national standards | MT | 727.77 | USD | 20251208 |
| Wuhan Hengjiu Chem | China national standards | MT | 720.71 | USD | 20251208 |
| Qingdao Shengze Chem | China national standards | MT | 710.81 | USD | 20251208 |
| JIN Yimeng | China national standards | MT | 710.81 | USD | 20251208 |
| Jinan Angxin Chem | China national standards | MT | 751.79 | USD | 20251208 |
| Yankuang Guotai Chem | China national standards | MT | 706.57 | USD | 20251208 |
| Shandong Yeyang Chem | China national standards | MT | 791.36 | USD | 20251208 |
| Nantong Zhonghe Chem | China national standards | MT | 706.57 | USD | 20251208 |