WERU GmbH, founded in 1843, is the largest manufacturer of high quality windows and doors in Germany and a market leader in Europe. WERU develops, produces and sells PVC and aluminum windows as well as doors and other related products, primarily for the private housing and renovation markets. WERU operates two production facilities in Germany and has approximately 1,000 employees. The company produces 460,000 windows and 14,300 doors p.a. In 2013, WERU achieved a turnover of about €143 million.

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