Since the company had been founded, it have produced various kinds of “hydro-pneumatic cylinder, slide unit, hydraulic chuck and valve on the basis of our considerable experience in which we have been committed to the field of hydro-pneumatic chucking system for twenty-odd years and stable technical power, and kept to the artisan spirit for every single product in order to make perfect products without the necessity of receiving A/S with the pride of strong technical skills. We truly believe the growth of Dong Hyup Hyd & Air Product (Pneumatics) of today depended on the help of our customers and request your continuing concern and cooperation.