| Vendor | Spec | Unit | Price | Currency | Date |
| Jinan Qi Mat | China national standards | MT | 908.8 | USD | 20251210 |
| Lihuayi Shandong | China national standards | MT | 1031.76 | USD | 20251210 |
| Lihuayi Shandong | China national standards | MT | 1328.57 | USD | 20251210 |
| Shandong Yuhuang Chem | China national standards | MT | 897.49 | USD | 20251210 |
| Shandong Yuhuang Chem | China national standards | MT | 897.49 | USD | 20251210 |
| Sinopec | China national standards | MT | 1250.83 | USD | 20251210 |
| Lihuayi Shandong | China national standards | MT | 1248.0 | USD | 20251210 |
| Lihuayi Shandong | China national standards | MT | 911.62 | USD | 20251210 |
| Lihuayi Shandong | China national standards | MT | 911.62 | USD | 20251210 |
| Shandong Huize Chem | China national standards | MT | 1060.03 | USD | 20251210 |