The twentieth 2021 taiyuan coal (energy) technology and equipment exhibition with "intelligent mining green energy" as the theme, vigorously promote the reform of coal industry supply side structural, promote coal industry communication, focusing on coal mining and energy industry energy conservation and emissions reduction, wisdom, mining, 5 g applications, coalbed methane development and utilization of all kinds of high and new technological achievements and intelligent high-end equipment, For domestic and foreign coal and energy enterprises and institutions to build exchanges, cooperation, win-win development platform. Our company with many models of torque limiter, brake products were invited to participate in the exhibition, for the majority of customers to provide zero distance experience products.