The DuLe group is as the principle with "the quality first,customer is uppermost",in the process of the design,exploitation,production and service,keeping to perfect the management system of quality.High standard,fine,no objection is the quality requirement which DuLe seeking.So it had passed the ISO9001 international quality management system authentication, to be the member unit of Shantou name brand and classy industry academician.
 
  In the meantime,the DuLe group pay attention to the quality of products as well as pay attention to the treat with surface of metals products. 1998.6.27,we were to be the honor member of Hongkong plating industry C of C; at the same time,we introduced the surface  processing technology of 24K thick golden from America,so that insure the proper quality of products.