Rahpooyan Hooshmand Dena Company is mostly active in the field of engineering, trading equipment, and industrial automation instrumentation among the other member of Dena industry group. This company has the exclusive agency of well-known companies and his engineers capable to install, supply of instrumentation and industrial automation equipment as follow: Exclusive agency of “Smar” (first Fieldbus technology provider in the world), in the field: FCS, DCS, PLC and instrumentation equipment; Exclusive agency of company “Sense” in the field: equipment instrumentation such as variety of sensors, Barriers Safety and. . . ; agency of company “General Instrument Consortium” in the field: gauges, switches, temperature sensors. . . .