Located in Delaware in the east of USA, the head office of US QMA Group holds many branches all over the world. QMA (Shanghai) Electric Co., Ltd., an exclusively-invested subsidiary company of US QMA Group, was established in October 2001. It is a professional manufacturer of integration of research, production and selling for inverter and frequency conversion control system through nearly 10 years' exploration and development.

The company has a professional and competent staff, devoting to the R&D of frequency conversion technology and the integration of application technology. On the basis of the advanced technology of the US headquarters, with its rich engineering experiences in industrial drive technology and the latest control technique in electrical and electronic fields, it produces inverters special for elevator and escalator and high-performance universal vector type. The products cover all kinds of specifications between 0.4KW and 315KW and have been successfully applied in many fields, I. E. Elevator, hoisting, drawbench, metallurgy, plastic, machine tool, textile, dyeing, paper making, packaging, printing and water treatment.

From raw material selection, production & processing to quality inspection and load test, QMA strictly controls every production process, and introduces components from Japan and the Europe to ensure stable performance of the products. The products has passed ISO9001: 2000 and CE certificates successfully.

Currently, the company has set up more than 10 marketing organizations and distribution agents in China. Some products are sold to the countries and regions in Southeast Asia, Middle East, South America and Africa. QMA has been well recognized by the wide range of customers with outstanding quality and sincere service.

QMA is willing to be with you hand in hand to create a bright future together.