... good qualityBreaching the exhilarating experienceBuilding a long standing Huansong 2.Technology and Strength Huansong Group Technical CenterHuansong Group technical ... development,experiment,manufacture,and marketing system,etc..and owns 2 production lines,16 test rooms,5 laboratories and more ... than 60 different sets of various first-class equipment,with annual capacity of 800,000 sets of ...