| Vendor | Spec | Unit | Price | Currency | Date |
| Shaanxi Yanchang Petro | China national standards | MT | 885.28 | USD | 20251115 |
| Shandong Junfeng | China national standards | MT | 988.35 | USD | 20251115 |
| Sinopec | China national standards | MT | 885.28 | USD | 20251115 |
| Changzhou Juyun Mat | China national standards | MT | 1355.45 | USD | 20251115 |
| Sinopec | China national standards | MT | 1129.54 | USD | 20251115 |
| Shandong Laya Chem | China national standards | MT | 974.23 | USD | 20251115 |
| Sinopec | China national standards | MT | 1249.56 | USD | 20251115 |
| Shandong Hanyue Chem | China national standards | MT | 931.87 | USD | 20251114 |
| Shandong Hanyue Chem | China national standards | MT | 931.87 | USD | 20251114 |
| Lihuayi Shandong | China national standards | MT | 1383.69 | USD | 20251114 |