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How to apply for another mine safety certification after obtaining a coal safety certification?

How to apply for another mine safety certification after obtaining a coal safety certification? If the product has applied for coal safety certification, it can reapply for a mine safety certification using the original testing report, which requires a new application process, but the time and cost will be greatly redu……

How to switch to coal safety certification or mine safety certification if you have an explosion-proof 3C certification certificate?

Do I need to apply for a coal safety or mine safety certification code even though I have an explosion-proof 3C certification certificate? In China, the explosion-proof 3C certification/explosion-proof qualification certificate and coal safety/mine safety belong to different management systems, and the places where pro……

The difference between explosion-proof certification and explosion-proof qualification certificate

Explosion proof certification and explosion-proof qualification certificate are two concepts that many people easily confuse. From the explanation on Baidu Baike, it can be understood that explosion-proof certification is the work of determining whether equipment meets the requirements of explosion-proof standards, con……

Do I still need an explosion-proof certificate after replacing the production license with the explosion-proof CCC certification?

Since the announcement by the State Administration for Market Regulation in July 2019 on the implementation requirements for the transition from production licensing to mandatory product certification management for explosion-proof electrical and other products, it has been almost two years now. Many companies producin……

What is Coal Safety Certification?

Coal safety certification is the abbreviation for coal mine safety certification. In 2007, the State Economic and Trade Commission and the Coal Mine Safety Supervision Bureau issued documents such as the "Interim Measures for Safety Signs of Coal Mine Mining Products", which implemented a safety production ce……

How to obtain the qualification certificate for explosion-proof electrical installation and maintenance?

Requirements and documents for obtaining the qualification certificate for installation, maintenance, and repair of explosion-proof electrical equipment: 1. Business license and personal ID card. 2. At least 3 people must pass the knowledge training on explosion-proof electrical equipment and pass the assessment to obt……

What do the explosion-proof Ex label and coal safety MA label mean respectively?

What do the explosion-proof Ex label and coal safety MA label mean respectively? Many customers do not understand what the Ex and MA logos represent. As a professional explosion-proof testing and certification organization, Zhongnuo Testing will briefly explain it to everyone. The Ex logo is an abbreviation for Explosi……

How to renew the explosion-proof certificate after it expires?

What is the validity period of the domestic explosion-proof certificate? End users of explosion-proof electrical products often face such problems. In fact, the explosion-proof certificate has a validity period. Currently, the validity period of domestic explosion-proof certificates is generally 5 years. Each certifica……

Domestic explosion-proof certification agencies

Type I (coal mine) issuing agency: National Mining Product Safety Mark Center: A、 Administrative division: Under the jurisdiction of the State Administration of Work Safety. B、 Job responsibilities: Undertake all work related to the management of safety signs for mining products, including certification, technical revi……

Why choose tempered glass for explosion-proof transparent parts?

Why choose tempered glass for explosion-proof transparent parts? Transparent parts are a very important material for explosion-proof electrical equipment. When choosing transparent parts, customers always ask what material to use? Can glass be used? Can plastic be used? Below, Zhongnuo Testing will explain to everyone.……