Kapilansh Dhatu Udyog (P) Ltd. ductile iron pipe fittings, Engineering Castings, alloy cast iron pipes, ductile iron manhole covers, TRUFORM, ferrous metal industry TRUFORM Techno Products Ltd. is the leading and established name in India as manufacturers of ferrous alloy castings and ductile iron fittings. We are promoted by a team of renowned entrepreneurs with over 20 years of experience in the ferrous metal industry and run by a team of professional metallurgists whose sole objective at work is manufacturing the best quality ferrous alloy castings and ductile iron fittings.