| Vendor | Spec | Unit | Price | Currency | Date |
| Shanxi Hengxin Chem | N220 | MT | 1012.63 | USD | 20251009 |
| Shanxi Hengxin Chem | N220 | MT | 1209.53 | USD | 20251009 |
| Dongguan Canyu Chem | N220 | MT | 1054.82 | USD | 20251009 |
| Hebei Shibei Rubber | N220 | MT | 1054.82 | USD | 20251009 |
| Jinan Xinhou | N220 | MT | 1350.17 | USD | 20251009 |
| Jinan Xinhou | N660 | MT | 1209.53 | USD | 20251009 |
| Jinan Jinquanjin | N220 | MT | 253.16 | USD | 20251009 |
| Jinan Xinhou | N330 | MT | 253.16 | USD | 20251009 |
| Jinan Jinquanjin | 600 mesh | MT | 239.09 | USD | 20251009 |
| Jinan Jinquanjin | China national standards | MT | 1898.68 | USD | 20251009 |