[Class : 7] Manufacturing Of Engineering Machinery For Chemical, Petrochemical, Oil And Gas, Food Processing Industry With Particular Emphasis On Drying Systems Including But Not Limited To Solid Drying Systems Such As Rotary Dryers, Calciners, Kilns And Coolers, Fluid Bed Dryers And Coolers, Flash Dryers, Tornish Dryers, Paddle Dryers And Coolers, Band Dryers, Coal Dryers, Vibratory Fluid Bed Dryers And Coolers; Drying Systems For Food And Agriculture Industry Such As Tea, Sugar, Paddy And Coconut Industry; Heat Transfer / Combustion Systems Such As Furnaces And Direct And Indirect Fired Heaters, Finned Tube Heaters And Coolers; Adsorption Systems Such As Air / Gas / Liquid Drying Systems, Solvent Vapour Recovery, Systems, Catalytic Purification Systems; Oil Field Systems Such As Utility Gas Drying Systems, Gas Conditioning Systems, Inlet And Water Injection Manifolds, Test Separators; Fabricated Equipments Such As Pressure Vessels, Heat Exchangers, Columns, Reactors; Air Handling Systems Such As Industrial Centrifugal Fans, Cyclones, Bag Filters; Material Handling Systems Such As Pneumatic Conveyors, Vibratory Conveyors And Feeders In Class 7