To the tender '24a10367 - Julius-kühn-institut (jki) Braunschweig, Energy-efficient renovation of building H 1.1-1.3 - Metal construction: windows, doors and fire protection elements'
For the tender '24a30778 - Soz.werk, Norderney, Bülowallee 4; Conversion + renovation, including roof extension; scaffolding of building for facade and roof work'