#graphiteordsblock #graphitecrucibles #Khulna #BangladeshWe SD industries are foremost manufacturer and exporter of Graphite Rods blocks and Crucible in Khulna in Bangladesh. we are one of the finest qulity manufacturer for all kinds of carbon products and Mechanical seals.We also have uniquely positioned ourselves as a dependable firm, engaged in manufacturing, exporting and supplying a commendable array of Graphite Blocks. These seals ... Continue