Shenzhen,Chseiko,Technology,Co.,,Ltd.,is,a,subordinate,company,jointly,invested,by,Shenzhen,D.F.L.,Investment,&,Development,Co.,,Ltd.,and,a,Japan,enterprise.nBeing,established,in,1997,,Shenzhen,D.F.L.,Investment,&,Development,Co.,,Ltd.,obtained,indep