Viral Industries is a gearbox valve manufacturer company for Valve operation. The basic use of our gearbox is to operate the industrial valve. We specialize in valve gearbox design and mfg. We are also design and mfg. customized gearbox for any type and any size of valve. Valve manufacturers are our customers and they will assemble our gearbox to their valves and sell the whole produc... https://www.viralindustriesindia.com/gate-valve-gearbox-manufacturer/