Corrosion prevention is the use of various methods to protect metal objects that are prone to rusting, in order to extend their service life. Generally, physical corrosion prevention, chemical corrosi……
Corrosion prevention is the use of various methods to protect metal objects that are prone to rusting, in order to extend their service life. Generally, physical corrosion prevention, chemical corrosi……
Many traders and importers do not know how to apply for coal safety certification when importing electrical equipment underground in coal mines. Below, Zhongnuo Testing will provide a detailed introdu……
Zhongnuo Testing has been engaged in the explosion-proof certification industry for many years and has encountered various customers, increasingly feeling the diversity of customer needs. As a one-sto……
Electric motors, electrical appliances, and instrument products used in explosive hazardous environments in petroleum, chemical, military, pharmaceutical, and other enterprises can generate arcs, spar……
Service capability and target audience • Provide technical services such as safety production consulting, assessment, design, inspection and testing for enterprises with explosive (gas, steam and dust……
According to the AQ 3009-2007 "Explosion proof Specification for Electrical Safety in Hazardous Areas" standard, explosion-proof electrical equipment in use must be entrusted to a testing ce……