Radhekrishna Extrusions manufactures twin screw and barrels starting from 35 mm to 110 mm screw diameter. Radhekrishna Extrusions manufactures screws and barrels according to present market needs like high filler, low filler application and ISI grade. We, at Radhekrishna Extrusions follow all standard manufacturing process and adhere all standard norms of manufacturing. PVC Pipe Manufacturer (CPVC) PVC Profile Manufacturer (CPVC)