3A Clizen(3A Machinery) has a proud of High-quality auto compressor parts, vehicle heat exchangers and automotive pulley. With TS16949, ISO14001 certification and "Single PPM ratio" quality assurance, the main product line is vehicle pulleys and compressor part for automotive air conditioner such as magnetic clutch, piston, swash plate, and control valve. Also automotive heat exchanger, condenser, radiator, evaporator, heater core, and precision components & Forged machining parts are available.