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It is made of alloy by precision casting, with in-built "high-speed carbon brush-free" motor. It uses the first domestical "water and power separation technology", more efficient heating! Dry burn is avoidable!
Operation principle: the preheater uses power supply to enhance motor temperature and heat anti-freeze in a circular way through in-built pump and electric heating element!
preheater,engine block heater ,electric engine heater
Langchen Automotive Accessories Factory
professionl, preheter, mnufcturer
