The new version of GB/T3836 series standards has been officially implemented on May 1, 2022. The difference between the old and new standards is a concern for many corporate customers. The explosion-p……

Recently, many customers have been inquiring about the date of the new version of the explosion-proof certification standard GB/T3836. Zhongnuo Testing would like to inform everyone that the new versi……

8 Metal shells and metal components of shells 8.1 Material composition The materials of the shells o……

Installing and using explosion-proof electrical equipment in hazardous and explosive areas is the most basic requirement for safety. But what issues should be noted when selecting and installing explo……

Appendix D (Normative) serves as the explosion-proof enclosure for Ex components D.1 General Provisions. The purpose of issuing explosion-proof certificates for Ex components is to enable manufacturer……

1、 The latest explosion-proof CCC certification product catalog is divided into the following 17 cat……

7 Non metallic shells and non-metallic components of shells 7.1 General rules 7 1. Scope of applicat……

Battery is one of the main power supply methods for explosion-proof electrical equipment, and it is also a technical difficulty that customers often encounter during the explosion-proof testing and ce……

The main content of the new version of the mining product safety mark certificate includes: certificate name, certificate category mark, safety mark number, QR code, certificate holder, registered add……

The qualification certificate for installation, maintenance, and repair of explosion-proof electrical equipment is one of the essential qualifications for companies engaged in the explosion-proof elec……