Rollplast was established 19 years ago and is one of the largest manufacturers of doors, windows, blinds, and facades in Bulgaria and Southeastern Europe. With the expansion of its business, Rollplast was looking for a way to boost production quality control, that is why they turned to Next Consult. Rollplast’s Lean transformation began in 2013. After the implementation of the first 3 of 20 Keys ®, the company reported a 30% revenue increase. Take a look at the Rollplast factory and get to know the 20 Keys ® methodology in action.