Dalian Powtran Technology Co., Ltd. is a key high-tech enterprise of the National Torch Program integrating R&D, production, sales and service of motor control intelligent products and complete sets of devices. In 1984, the State Economic Commission approved the introduction of Toshiba inverter technology by Dalian Electric Motor Factory to start the industrialization of inverters in China. In 1994, Powtran inverters were sold in China. Over 30 years of development, a nationwide service network with Dalian and Shenzhen as the center and Wuxi, Chengdu, Wuhan, Zhengzhou, Shijiazhuang, Qingdao, Shenyang, etc. as the multi-wings has been formed. The company takes "integrity, responsibility, innovation" as the core, adheres to the technology and product innovation strategy, and relies on the provincial electrical transmission engineering technology research center to independently develop and establish high-performance variable frequency vector control, servo drive, new energy and other core technology platforms. Since the birth of the first generation of products in 1984, it has been passed down through ten generations. The company's products have passed the inspection of national authoritative institutions and the appraisal of provincial scientific and technological achievements, and have been exported to more than 100 countries and regions, with a cumulative global sales volume of more than 2 million units. Powtran Technology is the vice chairman unit of China Frequency Converter Association, promoting the progress and standard development of frequency conversion technology in China, participating in the formulation of many national standards, and won the title of "Top Ten Domestic Brands of Low-Voltage Frequency Converters in 2011-2012" and "Famous Trademark in Liaoning Province" "Honor. In the future, Powtran will not forget its original intention, forge ahead, develop high-tech power electronic products, promote the industrialization process of national industries, and become a world-renowned brand in the field of electrical drive and control.