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Introduction to the Business Scope of Explosion proof Engineering

In recent years, with the continuous development of society and the increasing prominence of safety accidents, people's awareness of safety production has also been constantly improving. It is urgent ……

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How to apply for anti-corrosion grade WF2?

Corrosion prevention is the use of various methods to protect metal objects that are prone to rusting, in order to extend their service life. Generally, physical corrosion prevention, chemical corrosi……

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Classification of five anti-corrosion levels and corresponding environmental conditions for use

Five types of protection for anti-corrosion electrical products and corresponding levels of environmental conditions for use

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The difference between anti-corrosion grade, protection grade, and explosion-proof grade

Many corporate customers are often confused about the anti-corrosion level, protection level, and explosion-proof level that their products should have. Since there is only a one character difference ……

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Classification and Technical Requirements for Explosion proof and Anti corrosion Low voltage Electrical Appliances

1、 The definition of explosion-proof and anti-corrosion low-voltage electrical appliances refers to ……

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Scope of application and execution standards for anti-corrosion level testing

1、 The scope of products applicable to anti-corrosion level testing and certification: The anti-corr……

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Which level is higher between anti-corrosion grade WF1 and F1?

Corrosion prevention is the use of various methods to protect metal objects that are prone to rusting, in order to extend their service life. Generally, physical corrosion prevention, chemical corrosi……

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What does the anti-corrosion grade WF1 mean for lighting fixtures?

Corrosion prevention is the use of various methods to protect metal objects that are prone to rusting, in order to extend their service life. Generally, physical corrosion prevention, chemical corrosi……

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The process of applying for coal safety certification for imported products

Many traders and importers do not know how to apply for coal safety certification when importing electrical equipment underground in coal mines. Below, Zhongnuo Testing will provide a detailed introdu……

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Knowledge Q&A on Applying for MA Certification Mark

1、 What are Coal Safety Certification and Coal Safety Mark? Coal Mine Mark Certification (MA Certifi……

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