| Vendor | Spec | Unit | Price | Currency | Date |
| Zibo Jinshuo Chem | China national standards | MT | 918.13 | USD | 20251126 |
| Shandong Jiaen Chem | China national standards | MT | 953.44 | USD | 20251126 |
| Beijing Yanshan Petro | China national standards | MT | 1200.63 | USD | 20251126 |
| Sinopec | China national standards | MT | 1031.13 | USD | 20251126 |
| Lihuayi Weiyuan Chem | China national standards | MT | 875.76 | USD | 20251126 |
| Beijing Yanshan Petro | China national standards | MT | 875.76 | USD | 20251126 |
| Shandong Xingpeng Chem | China national standards | MT | 861.63 | USD | 20251126 |
| Nantong Zhonghe Chem | China national standards | MT | 875.76 | USD | 20251126 |
| Beijing Yanshan Petro | China national standards | MT | 875.76 | USD | 20251126 |
| Beijing Yanshan Petro | China national standards | MT | 889.88 | USD | 20251126 |