YG10X tungsten carbide valve seats for high hardness and impact needs Brief Introduction of Tungsten Carbide seats -Tungsten carbide seats is matched ...
YG10X tungsten carbide valve seats for high hardness and impact needs Brief Introduction of Tungsten Carbide seats -Tungsten carbide seats is matched ...
Wolfram Cobalt Alloy Tungsten Carbide Valve Seat for Soft Sealing Engine Features of tungsten carbide stem seat 1. 100% raw material. 2. Professional ...