| Vendor | Spec | Unit | Price | Currency | Date |
| Qingdao Chengxin Chem | China national standards | MT | 874.92 | USD | 20251030 |
| Sinopec | China national standards | MT | 1248.87 | USD | 20251030 |
| Lihuayi Shandong | China national standards | MT | 1246.05 | USD | 20251030 |
| Jinan ShijiChem | China national standards | MT | 1100.7 | USD | 20251030 |
| Jinan Qi Mat | China national standards | MT | 881.97 | USD | 20251030 |
| Shaanxi Yanchang Petro | China national standards | MT | 881.97 | USD | 20251030 |
| Jinan Qi Mat | China national standards | MT | 881.97 | USD | 20251030 |
| Lihuayi Shandong | China national standards | MT | 881.97 | USD | 20251030 |
| Shandong Aite Chem | China national standards | MT | 1199.48 | USD | 20251030 |
| Sinopec | China national standards | MT | 1227.7 | USD | 20251030 |