Impro Industries USA, Inc.

21660 East Copley Drive, Suite 100
Diamond Bar, CA 91765
United States
Phone: 909-396-6525
Fax: 909-396-1677
Contact: Ina Wang, Group Vice President


Impro is a leading global manufacturer of high-precision, high-complexity, mission-critical castings and machined components for diverse end markets. We produce investment castings, sand castings and precision machined components according to customer drawings and specifications.