... of Korean professional who proficiency in AirConditoner Fin Die of "RACO" and "OAK". The chairmanMr. LEE is a world famous Air ... debugging domestic fin die more than 70%, many experts of "RACO" and "OAK" admire his technology.4. Die Configuration The Die ... absorbed the special skill of "RACO" and "OAK". It is reasonably designed and easy to replace ...