Explosion-proof electrical appliances are used in flammable and explosive environments, and are widely used in various types of explosion-proof electrical appliances in petroleum, chemical, textile, pharmaceutical, military and other enterprises. However, explosion-proof is no small matter. A slight problem may cause huge loss of life and property, so When purchasing explosion-proof electrical appliances, enterprises must choose explosion-proof manufacturers with qualified quality and complete qualifications to purchase explosion-proof electrical appliances!


To see whether an explosion-proof electrical appliance manufacturer has the qualification to produce explosion-proof electrical appliances, it is necessary to check whether the business license, explosion-proof certificate and national industrial product production license meet the conditions.

First, enter the name of the company through the "National Enterprise Credit Information Publicity System" to query the operating period and scope of business. Attention should be paid to the business scope: If the display content is sales and production explosion-proof xxx, it can be qualified. If there is no production explosion-proof xxx, it means The company does not have the qualification to produce explosion-proof electrical appliances.


Then it depends on whether the company has an explosion-proof certificate. The explosion-proof certificate is used to confirm that the equipment meets the requirements of the standard, type test and suitable routine test documents. The certificate can be for Ex equipment or Ex components, so this certificate must be present.


In addition, you must also look at the national industrial product production license. Note: The two certificates must be complete, and must be available online, because the explosion-proof certificate is for the product, and the production license requires the company to The series of hardware and software facilities are complete to obtain, such as the number of technicians, production equipment, quality system, process inspection, etc.; many companies have explosion-proof certificates for their products, but no national industrial product production licenses, so there is a risk of product acceptance , Does not meet the requirements of complete qualifications for explosion-proof products.