Harven Heaters company est as large specialized enterprise in the field of ptc thermistor and ptc component and a fully equipped inspection and measurement system of product quality. Harven Heaters Company has rich technical force and material resources, and engageJapan, american and domestic ptc expert to as technique adviserLong-term.. Harven Heaters company highly pursues modernization ofEnterprise management. And it uses mrpii computer to manage. ItHas got iso-9002 quality-trusted system attestation, ptc componentsProducts got safe quality attestation at domestic and abroadNational greatwall attestation, abroad ul, cul, tuv attestation. Our product:. Ptc for heater -- they can apply in water heater,Thermoplastic-rifle, vapor comb,Hair Crimper, heat preservation dish, hair cureAnd etc. Our PTCR products feature both low (12-36V)and high(100-240V)voltage with wide temperature range and are used extensively in self-regulating heater applications such hair curler and electric blankets, dish-warmers . In fact PTCR can be used in a wide range of applications to take advantage of the safe self-regulation, high heat transfer efficiency, long life time and energy saving features. Expect the contact of the expensive department, we will give you the best product, best price, lower the expensive department cost, expand the more large market together!