| Vendor | Spec | Unit | Price | Currency | Date |
| Lihuayi Weiyuan Chem | China national standards | MT | 1326.43 | USD | 20251103 |
| Sinopec | China national standards | MT | 888.99 | USD | 20251103 |
| Beijing Yanshan Petro | China national standards | MT | 884.76 | USD | 20251103 |
| Jinan Qi Mat | China national standards | MT | 874.88 | USD | 20251103 |
| Lihuayi Shandong | China national standards | MT | 1100.65 | USD | 20251103 |
| Lihuayi Shandong | China national standards | MT | 884.76 | USD | 20251103 |
| Shandong Hongyang Chem | China national standards | MT | 1192.37 | USD | 20251103 |
| Sinopec | China national standards | MT | 1227.65 | USD | 20251103 |
| Lihuayi Shandong | China national standards | MT | 883.34 | USD | 20251103 |
| Sinopec | China national standards | MT | 1227.65 | USD | 20251103 |