According to Announcement No. 34 of 2019 by the State Administration for Market Regulation on the Implementation Requirements for the Management of Compulsory Product Certification for Explosion proof……
The explosion-proof electrical installation, testing and maintenance qualification certificate is one of the essential qualifications for companies engaged in the explosion-proof electrical constructi……
At present, hazardous chemical production enterprises in China are prone to frequent accidents, therefore, it is required to attach great importance to safety production testing and inspection. We sho……
The importance of electrical explosion-proof testing. Nowadays, we need to place safety testing and inspection work in a more important position. New safety testing methods and instruments are constan……
Many customers say they don't have a production factory and ask if they can apply for coal safety certification? Prior to this, the regulations of the National Safety Standards Center were that only p……
Explosion proof 3C certification is a mandatory certification adopted by the country for some explosion-proof electrical products. The products currently included in the explosion-proof 3C certificati……
Dust explosion: Combustible dust within the explosion limit, when exposed to a heat source (open flame or high temperature), the flame instantly spreads to the entire mixed dust space; The chemical re……
Many dust related enterprises, such as feed processing plants, paper processing plants, etc., do not know whether the relevant workshops belong to explosive workshops and whether Zhongnuo Testing need……
Dust explosion refers to a chemical reaction in which combustible dust is mixed with air in a confined space to form a dust cloud. Under the action of an ignition source, the resulting mixture of dust……
According to Section 7 of AQ3009-2007 "Safety Code for Electrical Explosion Protection in Hazardous Areas" (implemented on January 1, 2008), electrical equipment used in hazardous areas shou……