In 1991, Metal Chem Inc. was established by Guillermo Aguilera and Carlos Pongo. At that time, Metal Chem Inc. was a very small business with only a couple of employees. The services available were only Chemical Film and Anodizing. After developing many strong customers, Metal Chem Inc. had the opportunity to add two new processes to the business, Passivate and Zinc plating. After only two...