Profile: Qualtek Mfg., Inc provides metal finishing, heat trea ting, die making, stamping and carbinite texturing services. Our process includes anodize, chromate conversion coating on aluminum, passivation of stainless steel, rack zinc plating & powder coating. Our vacuum heat treating produce controlled heat treating with virtually zero corrosion or oxidation. This process is particularly beneficial for precision parts, dies, molds, stainless steel parts & medical equipment.