QMA Group is a large-scale famous American company which is specialized in researching and developing automation control systems. Our headquarters are located in Delaware in the USA. Our group holds many branches and production bases around the world.

QMA Electric (Shanghai) Co., Ltd., an exclusively-invested subsidiary company of QMA Group, was established in October of 2001, and has become a professional manufacturer, integrating the research, production and sale of inverters and frequency conversion control systems through nearly 10 years' exploration and development.

Our company has professional and competent staff, devoted to the R&D of frequency conversion technology and the integration of application technology. On the basis of advanced technology from our American headquarters, with our rich engineering experience in industrial drive technology and the latest control technique in electrical and electronic fields, we produce inverters special for elevators and escalators and high-performance universal vector types. Our products cover all kinds of specifications between 0.4kW and 315kW, and have been successfully applied in many fields, I. E. Elevators, hoisting, drawbenches, metallurgy, plastic, machine tools, textiles, dyeing, paper making, packaging, printing and water treatment.

From raw material selection, production and processing to quality inspection and load testing, QMA strictly controls every production process, and introduces components from Japan and Europe to ensure stable performance of products. Our company has passed ISO9001: 2000 certification and our products have passed CE certification. Our company has always stuck to the solemn promise of "quality for customers".

Our company regards "customer first, prestige first, perfect quality, safety and reliability" as our service philosophy and has opened a hotline to provide users around the world with online support. QMA has been well recognized by a wide range of customers for our outstanding quality and sincere service. Currently, our company has set up more than 10 marketing organizations and distribution agents in China. Many products are sold to buyers from countries and regions in Southeast Asia, the Middle East, South America and Africa.

With gradual expansion of the covering field, QMA Electric (Shanghai) Company hopes to be with you hand in hand to create a bright future together.