Trial pile testing - Owner: PROMEXCO - Location: Km9, Ngoc Hoi Road, Hoang Liet Ward, Hoang Mai Dis., Hanoi

Trial pile testing - Owner: VinGroup - Location: Hatinh City

Trial pile testing - Owner: Ecoland Jsc., - Location: No.19 Duy Tan Str., Dich Vong, Cau Giay Dis., Hanoi, Vietnam.

Trial pile testing - Owner: TQS Vietnam - Location: No.4 Quang Trung Str., Yet Kieu Ward, Ha Dong Dis., Hanoi.