Electrical equipment used in dust explosion hazardous areas should be selected as dust explosion-proof electrical equipment in accordance with the current national standard GB 12476.2-2010 "Elect……
Many people always think that the explosion-proof certificate and coal safety certificate are the same, as long as the product obtains the explosion-proof certificate or coal safety certificate, it ca……
Explosion proof certificate refers to a document used to determine whether equipment meets the requirements of standards, type tests, and routine tests for adaptation. The certificate can be for Ex de……
Yesterday, Zhongnuo Testing received the "Qualification Certificate for Installation, Maintenance, and Repair of Explosion proof Electrical Equipment" jointly issued by the Explosion proof E……
To conscientiously implement the various requirements of the regulatory authorities on dust control, solve new problems encountered in the development and regulatory process of the industry, formulate……
The symbol "U" in the explosion-proof certificate is used to represent the symbol of Ex components; The symbol "X" in the explosion-proof certificate represents a symbol for specia……
Explosion proof certification is actually a necessary test that most electrical products must pass and obtain certification certificates for. This is not only a guarantee of product quality promotion,……
On July 23rd, Zhongnuo Testing successfully obtained explosion-proof certificates for six different products (five intrinsic safety types and one intrinsic safety and explosion-proof type) for the cus……
According to the Decision of the State Council on Further Reducing the Catalogue of Industrial Product Production License Management and Simplifying the Approval Procedure (Guofa [2018] No. 33), the S……
Warm congratulations to Zhongnuo Testing for winning the bid in LG's "Selected Project for Third Party Testing of Explosion proof Equipment". On June 6, 2019, at the arrival of the Loon……
In 1998, the International Organization for Standardization (ISO) introduced ISO12944 (Corrosion Protection of Steel Structure Protective Coating Systems), which is an international common standard. I……