#mechanicalsealssupplier #waterpumpseals #colombo #sirlanka We SD Industries are one of the pioneer manufacturer and exporter of Mechanical seal in Colombo in Sir Lanka . we are one of the finest qulity manufacturer for all kinds of carbon products.Mechanical seal used, for industrial pump, replace the mechanical of Burgmann and John Crane.S D Industries mechanical seal manufacture, is the advanced designer & manufacturer of mechanic ... Continue