OTALUM was founded in 1984 and after 36 years' development, we have now already become a professional aluminium extrusion/profile supplier for architectural systems and industrial applications. Our factory is well equipped with 40 extrusion lines with a capacity of 500- 5500 tons.  Our total annual output can reach 15000 tons, and we produce a wide range of products, including window and door systems, curtain wall, performance louvre, heat sinks, solar panel framings. Customized service is available. Our engineers can help you design your extrusion structure and produce your own system.