Shanghai KEDA Electronic Ceramics Co.,LTDestablished in 1992,and is a joint venture which consist of Shanghai University and Macou. Our company technically devoted into manufacturing PTC series components which the annual outputs is more than 80 million,we have become a perennial products provider of some domestie and international famous enterpriser. Pake Thermistor ceramics Co,Ltd.Which is found lately produce PTC heaters and Alumina heaters,and also establish a product line of Alumina ceramics which belong to creative fund of Shanghai,have the annual products ability of 5 million. Our company acquired the certificate of ISO9001 in 1999 and products acquired the certificate of CQC and UL. 1989,Found experimental factory by Shanghai University 1990,Produce PTC element for Moisquito Dispeller 1991,Produce PTC heater for Warming 1993,Found Shanghai KEDA Electronic Ceramics Co.,LTD. 1994,PTC item acquired Shanghai Torch Plan 1997,Produce PTC Heater for Air Conditioner 1999,Passed the ISO9001 2001,Found Shanghai PAKE Thermistor Ceramics Co.,LTD. 2003,PTC heater acquired the certificate of CQC 2004,Produce Alumina Heater 2005,Alumina Heater acquired the Creative Fund of Shanghai