Investition located in Chełmno, of the total area of 5,430 m<sup>2</sup>. MEDOS SP.J. company was established 20 years ago and presently it is the largest Polish as well as the major European manufacturer of door and widow knobs for wooden, aluminium, and PVC joinery. CoBouw company is responsible for the implementation of the entire construction process which includes construction of foundations together with ground works, delivery and assembly of complete halls, construction of industrial floor.