Quality Control
As a ISO9001 & ISO14001 certified company, DD-FENCE always supply high quality products to end users, and to ensure the consistency of the quality, we have spent a lot of efforts on selection and optimization of our raw material & fittings supply chain. In addition, we have also take more care of QC on each production procedure. Now the qualified rate of DD-FENCE products reached 99.5%. And products quality warranty ranged from 10-20 Years.