Sony China Co., Ltd. in August 2002 set up the electronic components of China business headquarters (Electronic Devices Marketing China referred to as EDMC). Relying on Sony China Co., Ltd. in the country's sales and marketing network, in Beijing, Shanghai, Guangzhou, Shenzhen, Xiamen and other major cities have set up a corresponding department to provide services to the highest level in the field of components to meet the needs of customers in different regions The Products are mainly used for CD, VCD and DVD optical pickup head and the corresponding solution; CCD, LCD and other IT-related semiconductors, including video and mobile products, floppy drive, CD / DVD drive, CD-R and CD- MO, DDS, AIT and display; mobile phone batteries, laptop batteries and power tools can replace the power supply; chemical products (mainly components of the product paste) and Felica business.