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The scope of application and standards for implementing anti-corrosion level testing

1、 The scope of products for which the anti-corrosion level test certification is applicable: The an……

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Which is the higher anti-corrosion grade WF1 or F1?

Anti corrosion refers to the use of various methods to protect metal items that are prone to corrosion, in order to extend their service life. Usually, physical, chemical, and electrochemical methods ……

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

Anti corrosion refers to the use of various methods to protect metal items that are prone to corrosion, in order to extend their service life. Usually, physical, chemical, and electrochemical methods ……

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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 in coal mines. Below, Zhongnuo Testing will provide a detailed introduction to the……

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Requirements for relevant information on coal safety certification

1、 Preparation of materials for applying for coal safety certification: 1. Enterprise standard 2. Pr……

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General requirements for explosion-proof product design

1. Explosion proof shell materials 1.1 Metal materials commonly used include cast steel, cast iron, ……

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What should companies do if they don't understand explosion-proof design?

Zhongnuo Testing has been engaged in the explosion-proof certification industry for many years, and has encountered various customers, increasingly feeling the diversity of customer needs. As a one-st……

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Introduction to Explosion proof Types in Explosion proof Design

1、 Explosion proof electrical equipment "d" Explosion proof enclosure: capable of withstan……

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Basic Overview of Explosion proof Design

Electric motors, electrical appliances, and instrument products used in explosive hazardous environments in petroleum, chemical, military, pharmaceutical, and other enterprises can generate arcs, spar……

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Code for on-site explosion-proof safety inspection in dusty areas

1 Code for Safety Inspection of Explosion Prevention in Dust Explosive Places GB15577-2007 Safety Co……

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