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AQ Power Magnetics Shanghai Co., Ltd


AQ Power Magnetics develops, manufactures and assembles inductive components, such as reactors, transformers and filters with a wide range of different voltages (max.3kV) and power (10VA up to 3MVA) for demanding Industry segments.


We manufacture and deliver highly functional, customized and reliable products, and we value the long-term customer relationships this has helped create. Our customers use our solutions in challenging applications and environments like railway rolling stock, renewable energy, motor drives, UPS and more.


Brief Facts

Production facility

9500 m2 production area in Shanghai, China.

Manufacturing methods:

  • Wide range of wire and foil winding, both Al and Cu conductors
  • Complex assembly with lifting capability up to 5,000 kg
  • Copper and Aluminum Brazing
  • VPI and Varnishing facility
  • Wide range of routine and type testing in various frequencies, including MF converter system

Number of employees: 90

Turnover: CNY 70 Million



The company was established as Schaffner EMC in 2002 with a focus on filter contract manufacturing. Following the acquisition of Jacke Transformer in 2006, Schaffner started production of reactors and transformers in Shanghai. Over the years the product portfolio was extended to LV Reactors and transformers and the company moved to the current facility in 2011. This enabled manufacturing of larger custom designed inductive components for customers in demanding industries such as railways rolling stock and renewable energy. In July 2021 the Schaffner Power Magnetic Division was acquired by AQ Group, and AQ Power Magnetics Shanghai Co Ltd was formed.


•2002 Start of contract manufacturing for Schaffner EVG and China customers. ISO9001 certified

•2005 ISO14001, OHSAS18001 certified

•2007 Extended to inductive components and filter manufacturing power range

•2011 Implemented IRIS, serving railway rolling stock customers and OEMs, moved to current facility    

•2012 EN15085 welding certified

•2021 Acquisition by AQ Group


Business Concept

AQ Power Magnetics develops, manufactures and assembles LV mid power inductive components and systems for demanding industrial customers.