The New Production Line The Packaging Machine Industry Packaging machinery manufacture is a highly specialized business that does not produce large numbers of identical machines. Products and packages come in such an infinite variety of materials and forms that even though a company may specialize in a particular machine class. In this respect, packaging machinery is a custom business.The New Production Line The Packaging Machine Industry Packaging machinery manufacture is a highly specialized business that does not produce large numbers of identical machines. Products and packages come in such an infinite variety of materials and forms that even though a company may specialize in a particular machine class. In this respect, packaging machinery is a custom business