Contact Us

Mid-Atlantic Region

John Z. Ding, P.E.
Chief Engineer

14241 Midlothian Tpke, Suite 230
Midlothian, VA 23113

Tel: (804) 381-4800 , Mobile: (804) 955-9589


William Chang, Ph.D
Principal Engineer

Beijing, GuangZhou
Tel: 86 - 137 - 023 -31931

DMY Inc. ensures nondiscrimination and equal employment opportunity in all programs and activities in accordance with Title VI of the Civil Rights Act of 1964. If you need more information or special assistance for persons with disabilities or limited English proficiency, contact John Ding at 804-381-4800. Persons with hearing-and speech impairments can contact the John Ding by using the Virginia Relay Service, a toll-free telecommunication device for the deaf (TDD). Call 711 for TTY/TDD.