... ,Nitrogen Making Machine,Make Nitrogen gas,Nitrogen Making Machine Nitrogen Generator,Nitrogen Gas for Packing Food, ... drugs etc .2.) Metallurgy: For anneal protection, agglomeration protection, nitrogenizing, furnace washing and blowing, etc. Used ... , biological technology, intermediate, etc. 4.)Electronic industry: For encapsulation, agglomeration, anneal, deoxidization, storage of electronic products ...