In order to keep resistance with the quality each time, samples and testing reports will be saved for tracking back when the goods are dispatched, and we will keep those records at least 2 years.
1) Recognized as an ISO9001:2008 certified company, ZZDM can assure the stable quality and supply.
2) Being a professional manufacturer, every step is strictly controlled from the raw material to the finished products.
3) All of the materials will be rechecked by the QC department before the delivery is made together with a testing report.
