| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Junfeng | China national standards | MT | 2153.2 | USD | 20250924 |
| Shandong Junfeng | China national standards | MT | 2181.35 | USD | 20250924 |
| Shandong Junfeng | China national standards | MT | 2153.2 | USD | 20250924 |
| Shandong Junfeng | China national standards | MT | 2153.2 | USD | 20250924 |
| Shandong Junfeng | China national standards | MT | 2153.2 | USD | 20250924 |
| CNPC | China national standards | MT | 2153.2 | USD | 20250924 |
| Wanhua Chem | China national standards | MT | 2153.2 | USD | 20250924 |
| Lihuayi Shandong | China national standards | MT | 2153.2 | USD | 20250924 |
| Luxi Chem | China national standards | MT | 2153.2 | USD | 20250924 |
| Jinan Zhongyin Mat | China national standards | MT | 830.32 | USD | 20250924 |