Dalian Powtran Technology Co. Ltd has been specializing in industry automation and energy saving products since 1984, committed to provide customers with the best products and service.Holding two factories in Shenzhen and Dalian and more than 30 offices established in China. With our own R&D, production, logistics and service network system,focusing on providing customers advanced and comprehensive energy saving products such as frequency inverter, motor soft starter, solar pump inverter and other accessories, forming a sales network covered more than 100 overseas countries and regions worldwide.