Philips is one of the world's largest electronics company, founded in 1891 in the Netherlands, mainly produces lighting, home appliances, medical systems. The product is a hairdressing tool for drying and shaping of hair, but can also be used in laboratories, physiotherapy rooms and industrial production, aesthetics and so on for local drying, heating and physiotherapy. Due to the existence of smoke or ignition of safety hazards, May 31, 2011 onwards, Philips (China) Investment Co., Ltd. recalled from January 2008 to January 2011 the production of HP4930, HP4931, HP4940 **** 3 models of Philips hair dryer.