Crest Ultrasonics LTD Address: 83 Nguyen Cu Trinh, Nguyen Cu Trinh Ward, District 1, Ho Chi Minh City Enterprise code: 0314190552 Phone: 0908157570 Representative: Phan Xuan Khiem Nguyen Cu Trinh Ward, District 1, Ho Chi Minh CityFounding date: 9 - 1 - 2017