JONGHAP Polestar is focusing to develop
New technology to repair the components of marine diesel engine Such as Cylinder Cover, Piston Crown, Valve Spindle and etc.
DURA Spindle Valve

Reconditiong of DURA spindle valve :
certified by MDT (MAN B&W) in 2017
LASER Cladding

Stellite(#6, #12) welding on seating surface using of Laser welding machine in 2016
Continuous Technical Development
