• Tel No. (86) 021-6822-1481 sales@yyconstruction.com
  • Certificate

    In order to control our quality, we have inspector from AWA, Sai Global and SGS for our factory quality system controlled, meanwhile, for the products itself and we send to NATA accredited Lab. SYDNEY AZUMA LAB. For testing based on AS2047 and AS1170.2 STANDARD.


       Qualificatiom Certificate


      NFRC     AGWA     AS2047     WERS     CSA     Intertek



       Testing Reports





       Alibaba Certificate