Ngoc Thanh Tra LTD Address: Civil Group 18, Phan Dinh Phung Ward, Thai Nguyen City, Thai Nguyen Province Enterprise code: 4601662291 Phone: 0981597588 Representative: Nguyen Thi Ngoc Phan Dinh Phung Ward, Thai Nguyen City, Thai Nguyen ProvinceFounding date: 12 - 3 - 2026