SDZ is committed to developing and manufacturing superior-quaility, innovative engine parts since its foundation in China from 2003. Refine efforts to cooling system products is always rooed in DNA of SDZ. Being leadership position in both aftermarket and OEM applications, SDZ insist on Engineering and Services in cooling system management solutions. We are specialized in producing Thermostat, Coolant Housing, Sensor, Oil Cooler, Valve Cover, Intake Mainfold and Engine Hose. Moreover, SDZ is pretty environmentally conscious. Electric Vehicle Initiative is a key vision for us. SDZ is dedicated to investing advanced thermal management technologies. SDZ is pioneer in China to work on new electric water pump. Everthying we do is not just for Automotive Industry at moment, also build strength in efficiency, intelligence, and sustainablity for the future. We have a professional design R & D team, pioneering and innovative! As a company certified by IATF16949 Tü V, all activities are carried out strictly by this quality system. Each department, each personnel have excellent quality awareness and service awareness. We forever receive "the good faith, remarkable, reciprocal benefit" is the management idea, we makes every effort to provide for the field to the high-quality product.