A&D Holon Holdings Co Ltd, formerly A&D Co Ltd, is a Japan-based company mainly engaged in the manufacture and sale of measuring instrument, medical and healthcare equipment. The Company operates through two segments. The Measuring Instrument segment provides measuring, control and simulation systems, electron guns for semiconductor exposure apparatus, analog to digital (AD) and digital to analog (DA) converters, testing machines, environmental measuring instrument, electronic balances, platform scales, indicators, counting scales and load cells. The Medical and Healthcare Equipment segment offers digital hemopiezometers for home use, blood pressure monitors, full automatic hemopiezometers, precision weighing scales and ultrasonic inhalators.
A&D HOLON HOLDINGS COMPANY, LIMITED 
