... furcation, such as welding line, shaft, motorcycle, part, valve, piston, bolt, turning burl, etc. It has two sets of lighting system ... . Main purposes and the scopes of application JHS-F fluorescence electric endoscope is especially suitable for the inspection of object with ... it, such as welding line, shaft, motorcycle, part, valve, piston, bolt, turning burl, etc. It has been widely used in the ...