To identify from the appearance, if fake, the external signs will be blurred, rough. The content is not comprehensive, the handwriting is easy to fall off, without letter“specification and fire”, with little inattention will be fooled. Regular fire productions have clear appearance and packing, the signs are durable. With production quality certification, the production name, address, specification are clearly visible. Additionally, fire equipment surfaces need to use flame-retardant materials which can also be used as an important basis for judging the authenticity. The written materials, fire equipment should be accordance with national relevant provisions, be managed classified depending on the concrete usage. When buying, please fasten upon relevant documents and certificates.