| Vendor | Spec | Unit | Price | Currency | Date |
| Beijing Yanshan Petro | China national standards | MT | 1221.18 | USD | 20251112 |
| Zibo Lishuo Chem | China national standards | MT | 988.24 | USD | 20251112 |
| Sinopec | China national standards | MT | 1129.42 | USD | 20251112 |
| Changzhou Juyun Mat | China national standards | MT | 1355.3 | USD | 20251112 |
| Shandong Xima | China national standards | MT | 974.12 | USD | 20251112 |
| Lihuayi Shandong | China national standards | MT | 868.24 | USD | 20251112 |
| Shandong Qiangsen Chem | China national standards | MT | 1044.71 | USD | 20251112 |
| Zibo Lishuo Chem | China national standards | MT | 988.24 | USD | 20251112 |
| Lihuayi Shandong | China national standards | MT | 868.24 | USD | 20251112 |
| Lihuayi Shandong | China national standards | MT | 988.24 | USD | 20251112 |