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China National Quality Supervision & Test Center for Explosion-proof and Safety Products for Coal Mine (CMExC) passed the international peer review in 2005,became the ExTL of the IECEx system in 2006.
    1.What is the IECEx certification?
    1)the IECEx certification: refer to the explosion-proof electrical products to be approved by the international electrotechnical commission (hereinafter referred to as: the Ex product) safety certification.
    2)IECEx target:certify the Ex products according to the international standard, the purpose is to eliminate unnecessary repeat international certification and inspection, promoting international trade, on the premise of ensuring the safety of explosion-proof electrical products of moderate level.
    3) The ultimate goal of IECEx system is accepted worldwide:
    A Standard ----related standards promulgated by the technical committee of   IEC TC31 ;
    A Certification ----IECEx Certification of Conformity
    A Mark---- IECEx Mark of Conformity
    4)The recognized degree of IECEx certification worldwide : so far, the 31 formal member states, including: Australia, Canada, China, Denmark, Finland, France, Germany, Hungary, Italy, Japan, South Korea, the Netherlands, Norway, New Zealand, Singapore, Romania, Russia, South Africa, Sweden, Switzerland, the United Kingdom and the United States, IECEx certification have been recognized and accepted.
    5) IECEx designate testing laboratory(ExTL)  in China - CMExC, CQST, NEPSI etc, a total of five.
    2. Why need IECEx certification (IECEx certification advantage)?
    1) Product quality assurance---- The products of enterprise achieve IECEx international certification, prove that certification products in accordance with the requirements of IEC standard,and the manufacturer's quality plan meet the requirements of the international explosion-proof certification organization.
    2) The international market passport----For the products which is already obtained IECEx international certification, companies can publish IECEx international certification information and the serial number of the certificate in advertising, promotional materials, product samples, improve business visibility and product reliability, increase international market competition ability.
    3) Reduce the cost of international certification----When  products obtain IECEx international certification export,don't need to apply for the country's explosion-proof certification in the member state of IECEx ,even not in the member state of IECEx, also minimize the certification costs of repeated testing and certification  , promote international trade.

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