Established in 1991 as a subsidiary of Iwai Metal Fabrication (Japan) it has been in business for nearly 30 years in Tijuana, Mexico, near the US border.  In 2016 Iwai merged with UACJ to form UMCM and continues to provide products to a wide range of applications, centering around metal stampings. 



Accurate components in CRS, HSLA, Stainless and Aluminum for use in stand alone products or sub-components for finished assemblies.

Progressive & Tandem 10t to 400t

Base Material
  • CRS. Electro Galvanized
  • Stampings for sub-assemblies for interior and exterior door glass guides
  • Stainless
  • Stamped and secondary forming of components for exterior window trim in bright and film coated SUS.
  • ZAM
  • SUS301
  • SUS304
  • A1100
  • A3003
  • A6061
  • A5052


Stamping for inner door lift glass assemblies.


  • Precision welding of components
  • Spot Welding


Product packaging and shipping for end users


Product packaging and shipping for end users


ISO certified: ISO 9000 AND ISO 14000

Contact Information...

UACJ Metal Components Mexico S.A. de C.V.

Blvd. Pacifico No.9871,Industrial Pacifico II,
Tijuana, B.C.22644, Mexico

(+52) 664 211 6800

UMCNA Metal Components San Diego

2400 Fenton Street Suite 209
Chula Vista, CA 91914-4556

+1 (619) 651-1185