<span style="color: rgb (96, 98102); font family:" helvetica=“”pingfang=“”hiragino=“”sans=“”microsoft=“”font size:= The first controlled metering pump was located at Milton Roy's design center from then on, Milton Roy is a person who directly works in metrology technology at a large company in San Francisco. Major innovations include high-performance diaphragms, hydraulic bypass metering pump drives, and diaphragm rupture detection systems. today, Milton Roy is a popular product located in key industry operations around the world Milton Roy claims to be part of Accudyne Industries, a leading global supplier of precision designed, process critical, and technologically advanced flow control systems and industrial compressors