The “Kol-Chen” group was established by Haim Azoulai in the year 1960, as a privately owned company, family supervised, specializing in development and planning, manufacture and marketing at advanced systems.
This makes available good solutions and progress for all types of rolling shutters, screen nets and accessories for aluminium for buildings.
Ronen Azoulai is owner of “Team-Chen colors 2007 ltd“, 
that are involved in the coloring of aluminium profiles, that colors quality products and recognized and known as having the hightest standard and occupies first place in the Israeli marked, and the only one in Israel possessing the highest standards of
The products, produced by “Kol-Chen” and “Team-Chen colors” possess the Israeli standards association stamp and ISO-9001
The “Kol-Chen” conglomerate is located in the industrial area of Mevo Horon in a building consisting 3000 square meters. In our warehouse you can acquire all types of products, related to rolling sutters. The accessories and aluminum for buildings, that begin with the smallest screw through from all series and colors and in addition an exclusive representation of accessories for example – locks, panic pars, tubular motors and mach more from a huge inventory of quality products.
The level of service given by our workers is of the highest professional level and quality of the products are of the highest level of quality without compromises. Our company is found amongst the largest companies of the world in development of advanced systems to rolling shutters and products, related to the field of aluminum. Development of profiles registered as international patents.