The company began its activity in 1987, individually, manufacturing aluminum and iron frames.
In 1990, the company became Qual - Indústria Metálica, Lda. In 2002, the current manufacturing plant was inaugurated and in 2003 the PVC frames became part of the production process.
We are a company certified according to ISO 9001.
At QUAL, quality is felt as the only way to achieve our goal: total satisfaction of our customers, suppliers and employees.
Invest on differentiation to achieve excellence.
Satisfying the orders and requests of the customers within the deadlines with the demandable quality and the maximum value added.
Our products are CE marked in accordance with the norm NP EN 14351, which has been compulsory since February 2010.
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