| Vendor | Spec | Unit | Price | Currency | Date |
| Shanxi Hengxin Chem | N220 | MT | 999.9 | USD | 20251013 |
| Shanxi Hengxin Chem | N220 | MT | 1211.15 | USD | 20251013 |
| Hebei Shibei Rubber | N220 | MT | 1042.15 | USD | 20251013 |
| Dongguan Canyu Chem | N220 | MT | 1042.15 | USD | 20251013 |
| Jinan Xinhou | N330 | MT | 253.5 | USD | 20251013 |
| Jinan Xinhou | N660 | MT | 1211.15 | USD | 20251013 |
| Jinan Jinquanjin | 600 mesh | MT | 239.41 | USD | 20251013 |
| Jinan Jinquanjin | N220 | MT | 253.5 | USD | 20251013 |
| Jinan Jinquanjin | China national standards | MT | 1901.22 | USD | 20251013 |
| Jinan Xinhou | N220 | MT | 1351.98 | USD | 20251013 |