GRV valves are manufactured by using advanced machining and engineering techniques on CNC machines in modern factory, with all critical operations controlled by the skilled technical workers.

GRV has concentrated its efforts on technology for valve automation, to provide all kinds of actuators and a full range of accessories such as limit switches, solenoid valves, position indicators, positioners, speed controllers and smart control packages. All accessories may be assembled and calibrated prior to shipment, including the installation of hardware such as brackets and couplings, stem extensions, three-way crossings, cage kits and replacement yokes.

GRV has also developed a number of sub-contractors and suppliers to provide and process external components and parts.