Rotary double cone vacuum dryers are suitable for drying & mixing powder (raw materials), pharmaceutical materials, crystalline products, insecticides, pesticides, food products & also for heat sensitive products. The equipment can also be used as rotary evaporator. Promas Engineers is a certified company for manufacturer, supplier and exporter of rotary double cone vacuum dryers according to ISI guidelines and user’s requirements since 1990 from Mumbai to India and all over the world.