J.D. Refractories JD Refractories has created a distinctive niche in the market. The company was founded in the year 2006 as a Sole Proprietorship based firm. We are instrumental in manufacturing and supplying a wide range of Hot Runner Temperature Controller, Tubular Radiant Heater, Silicon Carbide Chill, Grooved Muffle Set, Refractory Tube, Radiant Heaters Disc and many more. We are also providing the services of Furnace Relining Work.