SC200/200 energy-saving low-speed variable frequency construction elevator is one of the 4.0 products of Zoomlion Heavy Industry Science and Technology Co., Ltd. Equipped with an efficient gearbox, it saves 21% energy compared to ordinary construction elevators; Equipped with a hand to body integrated operating system, reducing labor intensity and minimizing the impact damage of frequent tapping on electrical components; Equipped with an intelligent control system to achieve functions such as one card startup, identity authentication, status display, and fault self diagnosis; This product has obtained a total of 18 patents and won the "Huaxia Construction Science and Technology First Prize" from the Ministry of Housing and Urban Rural Development in 2018.