The company focuses on research and development and manufacture of various types of optical filters, is a professional photographic filters, film filters and other products as the core of high-end manufacturing and brand marketing company.Haida has its own distribution network in more than 40 countries around the world now, especially in the European a nd American market.Haida products are deeply praised and loved by professional photographers, photo enthusiasts and professional photography magazines.The Haida team is constantly providing innovative products and services to photographers around the world.