Chang Enterprises, INC.

Chang Enterprises was established in California, U. S. A. In 1978. We manufactur and distribute a number of patented non-patent products: 1. just began to market our electrically heated computer keyboards. A warm mouse will be ready by the end 2005. The keyboard is UL Listed. 2. also auto ...

Telephone：1-650-6921111Address：1564 Rollins Road