PROVEN d.o.o. Sarajevo was founded in 1990. In 1997. It established production and focused on printing, cardboard label and PVC sleeve application to plastic containers made of polystyrene, polypropylene and polyethylene terephthalate (cups, containers and lids). Those are primarily made for products of dairy industry as a target group of customers, but also for the packaging of chemical products (detergents, cleaning products, etc.).