久久大全_国产传媒视频在线观看_婷婷在线免费_91人人看_亚洲视频在线观看_2020亚洲天堂

There are several types of explosion-proof certification

Explosion proof certification is the process of determining whether equipment meets the requirements of explosion-proof standards, conducting type tests and routine tests for adaptation, and issuing relevant certificates of conformity. The certificate can be for Ex devices or Ex components. Equipment and protective sys……

Mechanical Industry Explosion proof Electrical Equipment Quality Supervision and Testing Center

Jiamusi Explosion proof Motor Research Institute Co., Ltd., the National Quality Supervision and Inspection Center for Lifting Metallurgy and Explosion proof Motors, and the Quality Supervision and Testing Center for Explosion proof Electrical Equipment in the Machinery Industry, are laboratories recognized by the Chin……

What do MA certification and KA certification mean?

MA: Representing Mei An as the supervisor and issuing unit: Safety Standard National Mining Product Safety Mark; Location of use: Underground coal mine KA: Representing Kuang An Supervisor and Issuing Unit: Mining Product Safety Mark Office Location of use: Non coal mine. In addition, KY is the general type used for mi……

How much does it cost to obtain explosion-proof certification?

The cost of explosion-proof certification is related to the following aspects: 1. Do you need to obtain an explosion-proof certificate or an explosion-proof 3C certification? If the explosion-proof 3C certification is required, a factory audit is required, which includes audit fees, travel expenses for the inspection a……

Is there an explosion-proof certification agency in China?

Is there an explosion-proof certification agency in China? In recent years, with the increasingly strict supervision of explosion-proof electrical products by the country, electrical products applied to various hazardous and explosive locations must obtain explosion-proof certificates issued by third-party organization……

What qualifications are required for explosion-proof construction

What qualifications are required for explosion-proof construction? Of course, it is necessary to have the qualification for repairing explosion-proof electrical equipment, which should actually be called the "Qualification for Installation and Repair of Explosion proof Electrical Equipment". Explosion proof e……

What kind of certification does MA certification belong to

What certification does MA certification belong to? MA is the coal safety mark, and MA certification is also known as coal safety certification (Mei An). It is applicable to various equipment and products used underground in coal mines and is a mandatory certification. The National Safety Standards Center is responsibl……

Do smart safety helmets used in coal mines require coal safety certification?

Coal Mine Logo Certification (abbreviated asMA、KACertification is a mandatory certification implemented by the National Coal Mine Safety Mark Office for underground coal mine supplies. All products listed in the mining product safety certification catalog

Which regulation does the three-year explosion-proof testing come from?

Which regulation does the three-year explosion-proof testing come from? With the increasing popularity of explosion-proof electrical appliances, many explosive hazardous areas have installed and used explosion-proof electrical appliances. Many end users believe that as long as explosion-proof electrical appliances are ……

Validity issue of ATEX certification certificate

Explosion proof certificate: a document used to determine whether the equipment meets the requirements of the standard, undergoes type testing, and adapts to routine testing. The certificate can be for Ex devices or Ex components. At present, the validity period of the domestic explosion-proof certificate is 5 years fr……