CE certification provided megaphone CPD building construction materials testing and certification services directive EN54-24 CE certified products: Loudspeakers Directive: 89/106 / EEC, 96/577 / EC CPD EU directive building standards: EN 54-24: 2008 Fire detection and alarm systems - Part 24: Components of voice alarm system loudspeakers CE certification is the European Community (now called the European Union) proposed the establishment of a unified view of free trade within the boundaries of the market, through a unified, effective control The standards to ensure goods, persons, services and free movement of capital, a mandatory product safety certification. All European or non-European traders or consumers require products comply with CE marking requirements in order to make the flow of goods to the European market. Therefore, the European consumers believe that the CE mark is a product performance and quality assurance symbol. Refers to the number of buildings directive: 89/106 / EEC; the various EU member states in order to ensure its territory building and civil engineering, not the person, livestock (poultry) in the design and construction of a threat to the security of property, as well as general maintenance Welfare followed other basic requirements; at the same time not only to the security of the building, but also to the health, life, an important factor in energy, environmental protection, economic factors and other public interest savings. CPD instruction mandatory certification is one of many in the European Union to develop a directive for building materials, and its purpose is through a unified technical standards among member states to eliminate their different technical barriers and promote free trade. All products must be labeled materials affixed CE mark, it will be a pass, allowing high-quality building materials products to circulate freely between the EU member states, without limitation different technical standards Member States. CPD covered by the scope of Directive 'building products' means: any product in any way to permanently included in the construction project, including construction of buildings and civil engineering works