A. O. Smith Hires Ming Cheng as Chief Technology Officer
1. A. O. Smith announces a new CTO, Ming Cheng. 2. Cheng has extensive R&D experience from 3M. 3. Heideman's leadership drew praise for product innovation. 4. Transition period from Heideman to Cheng until Sept. 1. 5. Ming Cheng's background may drive future growth.