Founded in 2005,Hengwei electric co.,ltd. Long-term commitment to switching power supply ,LED driver and other new energy product development,production and sales. We carry out the '6S'management and tenet of 'survival by quality,development by efficiency'.We have passed the certification of ISO9001 Quality Management System,and other certifications:TUV,CE,CB,PSE,KC,ROHS etc.we are professional in develop and manufacture enclosed type switching power supply,LED waterproof power supply,Din-rail ...