KRIN d.o.o. Zenica "KRIN" was established in 1963, the year its founder started up his private business. That small workshop has over time excelled in manufacturing of construction joinery. Since 1997 it has been registered as a private company. From that moment on, the company has never ceased investing in new technologies and new products. At the moment, apart from construction joinery "KRIN" manufactures the folding attic staircases and wooden "A" ladders, and has recently started manufacturing wood toys. Whenever we introduce new products, we make sure all product-related technological, safety and environment sustainability standards are duly observed.