| Vendor | Spec | Unit | Price | Currency | Date |
| Sinopec | China national standards | MT | 1229.0 | USD | 20251128 |
| Shandong Qiangsen Chem | China national standards | MT | 1045.36 | USD | 20251128 |
| Shandong Yuhuang Chem | China national standards | MT | 1200.75 | USD | 20251128 |
| Lihuayi Shandong | China national standards | MT | 908.33 | USD | 20251128 |
| Shaanxi Yanchang Petro | China national standards | MT | 1200.75 | USD | 20251128 |
| Zibo Lishuo Chem | China national standards | MT | 988.85 | USD | 20251128 |
| Sinopec | China national standards | MT | 1200.75 | USD | 20251128 |
| Shandong Xima | China national standards | MT | 974.73 | USD | 20251128 |
| Shandong Yeyang Chem | China national standards | MT | 1200.75 | USD | 20251128 |
| Shaanxi Yanchang Petro | China national standards | MT | 918.22 | USD | 20251128 |