DONGGUAN YONG JIA HIGH FREQUENCY MACHINES CO LTD IS LOCATED IN NO 28TH INDUSTRIAL DISTRICT, SHANG YUAN VILLAGE, CHA SHAN TOWN, DONGGUAN CITY WITH THE SIZE 3000 QUARE METER. YONG JIA ESTABLISHED IN 2003. MAINLY DESIGN AND SELL HIGH FREQUENCY WELDING MACHINES FROM 4KW TO 150KW STANDARD OR SPECIAL DESIGNED MACHINES ACCORDING TO CUSTOMERS' REQUEST. OUR MAIN ELECTRICIAL PARTS ARE FROM INTERNATIONAL FAMOUS SUPPLIERS LIKE TOSHIBA. "CUSTOMERS FIRST, SCIENTIFIC MANAGEMENT, KEEPING IMPROVING FOR EXCELLENCE ", THIS IS THE QUALITY POLICY OF OUR COMPANY. COMPLAINTS-FREE FROM THE CUSTOMER IS OUR MAIN GOAL