1. It is part used on filter of ferrule and refrigerant on air circulation passage of automobile air conditioner 2. Muffler that reduces noise when air conditioner is operated 3. Manufactures demanded size and shape of order 4. Design and manufacture self-molding Feature 1. Elaborate product 2. Knows parts characteristics well due to manufacturing over 30 kinds of parts. 3. Various types depends on model of automobiles