HIFEI begun to research and develop the Brushless ESC since 2003, standing on our ground, so far HIFEI Team have dedicated on developing, researching and manufacturing the Brushless ESC over 5 years.Standing behind our respectable hobby people, HIFEI Team insists upon design every one products with state-of-the-art technologies, as well production every one products with fine workmanship and ***** inspection.HIFEI Team loves this exciting industry, and would like to bring more and more exciting products to our customer in the future.