© 2022 Ningbo Hengxing Rivet Gun Manufacturing Co. All Rights Reserved.
Ningbo Hengxing
| For the valve plate processed by the new patented technology, the flatness of the valve seat surface and the valve plate mounting surface is controlled within 0.002mm, and the height difference between the two planes is controlled within 0.01mm (95% of the product height difference is within 0.005mm). |