| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Xima | China national standards | MT | 747.74 | USD | 20251101 |
| Shandong Qiangsen Chem | China national standards | MT | 818.28 | USD | 20251101 |
| Shaanxi Petro Yanan | China national standards | MT | 1062.36 | USD | 20251101 |
| Wanhua Chem | China national standards | MT | 1022.86 | USD | 20251101 |
| Shandong Aite Chem | China national standards | MT | 945.26 | USD | 20251101 |
| Shandong Aite Chem | China national standards | MT | 1114.56 | USD | 20251101 |
| Shandong Aite Chem | China national standards | MT | 1241.53 | USD | 20251101 |
| Shandong Aite Chem | China national standards | MT | 1072.23 | USD | 20251101 |
| Luxi Chem | China national standards | MT | 1058.13 | USD | 20251101 |
| Shandong Energy | China national standards | MT | 1015.8 | USD | 20251101 |