Openers & Closers was established in 1989 in Barcelona, Spain. The company manufactures high-quality door locks that are widely represented on the international market. The technical specifications of Openers & Closers products are verified by tests conducted by the main experimental and research laboratory of the University of Barcelona. To date, the company has received more than 30 patents for technical inventions and production developments, which are highly praised by industry experts. Before being launched on the market, new products undergo rigorous testing in Openers & Closers’ own specially designed and equipped laboratories.
