Geotech Builders Minimal, as a number one geotechnical engineering business supplying digital land survey services in Bangladesh for in excess of 8 yrs.???? ?????? ???? ???????????? ?????? ???????? ?????? ??? ????????? ????????? ?????? ????? ?????? ??? ??? ??? ???????? ??????? ??? ??????? ???? ?????????? ?-???????? ?????? ????? ??????? ??????? ????