A study on air bag filter for passenger car which is manufacturing preocess and method of very important one of the components. The manufacturing equipment consists of various component which nitting cam, nitting knife, rollers. The development target is weight reduction of metal filter, reduction of process.

A study on cluster ionizer for passenger automotive. This study is technical study which is performance, reliability, manufacturing method and productivity of cluster ionizer. Cluster ionizer function is comfortable compartment which eliminated of anti-virus, ordor, etc. This study on cluster ionizer which is manufacturing method, performance, reliability, production technology is mass production for automotive