BUET, CUET, KUET and RUET are Bangladesh's four public engineering universities. BUTEX and DUET are two specialised engineering universities; BUTEX specialises in textile engineering, and DUET offers higher education to diploma engineers. The NITER is a specialised public-private partnership institute that provides higher education in textile engineering. Science and technology universities include Hajee Mohammad Danesh Science & Technology University, Mawlana Bhashani Science and Technology University, Bangabandhu Sheikh Mujibur Rahman Science and Technology University, SUST, JUST, PUST, NSTU and PSTU. The country's first higher education institution on aerospace engineering, Bangabandhu Sheikh Mujibur Rahman Aviation and Aerospace University, has been established in 2019 and is expected to launch its on-campus academic activities from the start of 2021.