| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Yuhuang Chem | China national standards | MT | 1367.18 | USD | 20251018 |
| Lihuayi Shandong | China national standards | MT | 1381.27 | USD | 20251018 |
| Shandong Aite Chem | China national standards | MT | 1198.04 | USD | 20251018 |
| Lihuayi Shandong | China national standards | MT | 909.1 | USD | 20251018 |
| Jinan Dezheng Chem | China national standards | MT | 909.1 | USD | 20251018 |
| Shaanxi Yanchang Petro | China national standards | MT | 909.1 | USD | 20251018 |
| Sinopec | China national standards | MT | 909.1 | USD | 20251018 |
| Jinan Dezheng Chem | China national standards | MT | 909.1 | USD | 20251018 |
| Shaanxi Yanchang Petro | China national standards | MT | 916.15 | USD | 20251018 |
| Beijing Yanshan Petro | China national standards | MT | 930.25 | USD | 20251018 |