Type of power distribution cabinet

Commonly used distribution boxes are available in both wood and metal. Because metal distribution boxes have a higher degree of protection, they are still used in metal. Classified by structure and purpose: (1) Fixed panel switchgear, often called switchboard or power distribution panel. It is an

Thermal air flow meter

There is no limit to creativity, and the instrument is invented. Today we introduce a patent for the invention of a national invention - a thermal air flow meter . The patent was filed by Hitachi Automotive Systems Co., Ltd. and was issued an authorization announcement on April 5, 2017. Description