we are the manufacture of electric heating elements in china for many years,such as coil heaters,cartridge heaters,nozlle heaters,band heaters,heating cables,thermostats,thermocouple,etcwe have CE,ISO9001,ROHS,CQC,CCC certificationu can contact me by my MSN:xxxxx Skype:cnhszj Email:xxxxx Contact person:MS.LILIAN ZUO