| Vendor | Spec | Unit | Price | Currency | Date |
| Zibo Jinshuo Chem | China national standards | MT | 992.16 | USD | 20250923 |
| Shandong Mingyu | China national standards | MT | 1048.45 | USD | 20250923 |
| Lihuayi Weiyuan Chem | China national standards | MT | 1182.15 | USD | 20250923 |
| Shandong Aite Chem | China national standards | MT | 1238.44 | USD | 20250923 |
| Beijing Yanshan Petro | China national standards | MT | 1055.49 | USD | 20250923 |
| Shandong Aite Chem | China national standards | MT | 1097.71 | USD | 20250923 |
| Shandong Aite Chem | China national standards | MT | 1097.71 | USD | 20250923 |
| Nantong Zhonghe Chem | China national standards | MT | 956.98 | USD | 20250923 |
| Shanghai SKY Chem | China national standards | MT | 1266.59 | USD | 20250923 |
| Shandong Huize Chem | China national standards | MT | 956.98 | USD | 20250923 |