In 1990, however, construction was stopped as part of a moratorium on new plant construction.

Still, the area of technology (industrial plant construction and ready-to-use industry) became increasingly important for the company.

Plant construction began in 1950 with the first system for chemical surface treatment.

It started out as a plant construction and services company.

Further important branches of the economy are woodworking, plant construction, the hard-rock industry, packaging and automotive supply.