We SHREE GANESH ENGINEERING are Manufacturers, Exporters & Leading Suppliers of Spiral R Screw Loacated in Mumbai, India. Spiral R Screw line for targets injection molding.combines the simplicity and economy of a conventional three-zone screw with the productivity and quality benefits of optimum material feeding, melting and metering. General-purpose injection screws leave hard-to-get molding profit on the table.