The China Connection

There are now thousands of Chinese companies in the U.S. Here's how they got here and what they do

For over half a century, Southwest Products Co. has supplied the U.S. defense and aviation industries. The small but highly regarded Irwindale (Calif.) company has carved out a niche as a leading manufacturer of spherical bearings for aircraft made by Boeing, McDonnell Douglas, and Lockheed. Today, its 60 factory workers make bearings for the Pentagon's C-17 military transport plane. NASA even uses Southwest's bearings in the Space Shuttle.

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