Chongqing Dema Frequency Conversion Electromotor R& D Mannufacture Co., Ltd, established in 1954, is a professional electromotor manufacturer.

The company has a R&D team of experts specialized in electrical engineering, machinery, lubrication engineering, automation, material, structure and controlling software.

Our company has products of about 30 series over 2000 specifications, covering DM series HV/LV frequency converters, YVP series frequency conversion motors, YVPD series high power medium voltage frequency conversion motors, YVPQ series high voltage frequency conversion motors, YVPHK series high-speed motors for aviation plunger pump, YVPCG series high-speed motors for dynamometer machine, YVPSK series high-speed spindle motors for CNC lathes, YVPEJ series electromagnetic braking motor, Y series three phase asynchronous electromotors, YD series change-pole electromotors, YH series high-slip electromotors, YEJ series electromagnetic braking elctromotors, etc., which are widely used in a various industry such as CNC lathe, aviation, railroad engine, wind tunnel testing, dynamometer machinery, lifting machinery, blower, refrigerating machinery, water pump, metallurgical machinery, building machinery, petroleum machinery, packing machinery, cement machinery, etc.

Among all the products, YVPHK, YVP, YVPFD, YVPCG, YVPSK series were announced as the Chongqing Major New Products, Chongqing High-Tech Products. YVPHK high-speed aerodynamo was awarded the National New Product by the ministry of science and technology.

Our campany, obtained CCC certificate and CE certificate of Europe Union and passed ISO9001: 2008 international quality system certification, is a state-level high-tech enterprise, which possesses more than 30 invention and utility model patents.

We can design motors according to the customers' requirements. Welcome to inquire.