Engineering David Chu (Truong-Duc) Nguyen Posted by Who's Who Site Administrator on January 21, 2019 Most Recent Title: Mechanical Engineer, Inventor Company: Circle Seal Controls, Inc. Industry: Engineering Years in Industry: 25 Years affiliated with Marquis Who’s Who: 30 Contact David Chu (Truong-Duc) Nguyen: Name(required) Email(required) Website Comment(required) Submit Δ Share this:TwitterFacebookLinkedInLike this:Like Loading...