| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Yeyang Chem | China national standards | MT | 1200.75 | USD | 20251128 |
| Jinan Jiaxing Chem | China national standards | MT | 1158.37 | USD | 20251128 |
| Shandong Yushuo Chem | China national standards | MT | 904.1 | USD | 20251128 |
| Beijing Yanshan Petro | China national standards | MT | 1221.94 | USD | 20251128 |
| Shaanxi Yanchang Petro | China national standards | MT | 918.22 | USD | 20251128 |
| Sinopec | China national standards | MT | 894.21 | USD | 20251128 |
| Shandong Shuojia Chem | China national standards | MT | 899.86 | USD | 20251128 |
| Lihuayi Shandong | China national standards | MT | 908.33 | USD | 20251128 |
| Zibo Lishuo Chem | China national standards | MT | 988.85 | USD | 20251128 |
| Beijing Yanshan Petro | China national standards | MT | 894.21 | USD | 20251128 |