Topline Products Installs Blow Molding Equipment at Plant Topline Products Company Inc. recently installed state-of-the-art blow molding equipment at its Topline Michigan plant in Dundee, MI. According to the company, the new manufacturing capability will enable Topline to produce bottles and other components for mascara and lipgloss, offering its international customers both an Asian and North American base for product launches. Topline produces cosmetics packaging and products at four manuf...