After the death of the founding father, M. den Haan Jr. took over control. In this year his brother Cees den Haan came back to strengthen the board. Together they tried to keep up with the increasing demand by recruiting skilled professionals and starting a learning program for students. This turned out to be an slow and painful process. The solutions was mechanization.

To realise this modernisation a new company building was build in the early 50’s at the Hoornbrekersstraat in Rotterdam. The newly build 450 square meters turned out to be too little within 3 years . Luckily they found a similar building in the neighbourhood and moved the tool shop and press shop there