| Vendor | Spec | Unit | Price | Currency | Date |
| Jinan Qi Mat | China national standards | MT | 908.85 | USD | 20251206 |
| Changzhou Juyun Mat | China national standards | MT | 1356.91 | USD | 20251206 |
| Shandong Xima | China national standards | MT | 975.28 | USD | 20251206 |
| Shandong Xingpeng Chem | China national standards | MT | 893.3 | USD | 20251206 |
| Sinopec | China national standards | MT | 890.47 | USD | 20251206 |
| Jinan Qi Mat | China national standards | MT | 908.85 | USD | 20251206 |
| Zibo Lishuo Chem | China national standards | MT | 989.41 | USD | 20251206 |
| Zibo Lishuo Chem | China national standards | MT | 989.41 | USD | 20251206 |
| Sinopec | China national standards | MT | 1250.9 | USD | 20251205 |
| Lihuayi Shandong | China national standards | MT | 890.47 | USD | 20251205 |