| Vendor | Spec | Unit | Price | Currency | Date |
| Jinan Jinquanjin | N220 | MT | 253.22 | USD | 20250918 |
| Jinan Xinhou | N220 | MT | 1350.5 | USD | 20250918 |
| Jinan Xinhou | N660 | MT | 1209.82 | USD | 20250918 |
| Jinan Xinhou | N330 | MT | 253.22 | USD | 20250918 |
| Shandong Junfeng | N220 | MT | 984.74 | USD | 20250918 |
| Shandong Junfeng | China national standards | MT | 1209.82 | USD | 20250918 |
| Shanxi Hengxin Chem | N220 | MT | 1209.82 | USD | 20250918 |
| Shandong Junfeng | N220 | MT | 985.54 | USD | 20250916 |
| Shandong Junfeng | China national standards | MT | 1210.81 | USD | 20250916 |
| Dongguan Canyu Chem | N220 | MT | 1055.51 | USD | 20250915 |