| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Yuhuang Chem | China national standards | MT | 1290.82 | USD | 20251104 |
| Beijing Yanshan Petro | China national standards | MT | 931.09 | USD | 20251104 |
| Shandong Shuojia Chem | China national standards | MT | 884.53 | USD | 20251104 |
| Shaanxi Yanchang Petro | China national standards | MT | 874.66 | USD | 20251104 |
| Zibo Lishuo Chem | China national standards | MT | 987.51 | USD | 20251104 |
| Shandong Yuanhe Chem | China national standards | MT | 1058.05 | USD | 20251104 |
| Lihuayi Shandong | China national standards | MT | 874.66 | USD | 20251104 |
| Jinan Qi Mat | China national standards | MT | 874.66 | USD | 20251104 |
| Lihuayi Shandong | China national standards | MT | 874.66 | USD | 20251104 |
| Zibo Lishuo Chem | China national standards | MT | 987.51 | USD | 20251104 |