Dalian Powtran Technology Co., Ltd. is a key high-tech enterprise of the National Torch Program that integrates R&D, production, sales and service of intelligent motor control products and complete sets of devices. In 1984, Powtran introduced Toshiba's inverter technology, creating a precedent for China's inverters. In 1994, Powtran frequency inverter was sold domestically, and in 2001, Dalian Powtran Technology Co., Ltd. was established. After more than 30 years of development, a national service network has been formed with Dalian and Shenzhen as the center and Wuxi, Chengdu, Wuhan, Zhengzhou, Shijiazhuang, Qingdao, and Shenyang. In the future, Powtran will develop high-tech power electronic products, promote the industrialization process of national industry, and become a world-renowned brand in the field of electrical drive and control.