Quality Assurance

Defu products adoptare internationalem qualitatem auctoritatis certificationis systematis, certificatione systematis environmental, administratione sanitatis occupativae, ita ut clientes maiorem qualitatem et salutem certitudinem in usu fructuum habeant.

HFG (1)
Anno 2010, transiit systema certificationis qualitatis certificationis Rheni Germanici TUV TS16949:2009

HFG (2)
Anno 2014, transiit Guangdong Zhongjian GB/t28001-2011 / ohsas18001-2007 occupational sanitatis et securitatis procuratio

HFG (3)
In 2014, societas Guangdong zhongjian GB/t24001-2004 transiit / iso14001-2004 systema certificationis systematis securitatis environmental