Meeting the GMP standard,ZP-5,7,9 type tablet presses are ideally-designed to press granular raw materials into round ,non round tablets for laboratory use for laboratory use for research and development or small-scale production in pharmaceutical, chemical and food industry ,The working part is enclosed by transparent windows so that press condition can be observed clearly and the windows can be opened .Cleaning and maintenance is easier .The machines feature small volume, low weight, low noises and tidy appearance .The alarming system and vacuum cleaner are attached .The speed adjustment of the driver is controlled by the frequency conversion device.