| Vendor | Spec | Unit | Price | Currency | Date |
| Aite Zhejiang | China national standards | MT | 1158.29 | USD | 20251202 |
| Lihuayi Shandong | China national standards | MT | 889.91 | USD | 20251202 |
| Beijing Yanshan Petro | China national standards | MT | 1221.85 | USD | 20251202 |
| Sinopec | China national standards | MT | 932.28 | USD | 20251202 |
| Sinopec | China national standards | MT | 911.09 | USD | 20251202 |
| Shandong Yushuo Chem | China national standards | MT | 904.03 | USD | 20251202 |
| Sinopec | China national standards | MT | 911.09 | USD | 20251202 |
| Lihuayi Weiyuan Chem | China national standards | MT | 1327.8 | USD | 20251202 |
| Shandong Yushuo Chem | China national standards | MT | 918.16 | USD | 20251202 |
| Shandong Yuhuang Chem | China national standards | MT | 896.97 | USD | 20251202 |