... ''x2''x7'',unit price ,pls contact us freely 4.QC System & Packing: The QC team is composed of skilled engineers, ... staff as technical support,acting on the ISO9001:2000 quality management system. There includes 3 strict QC level as following:1.Raw ... management system3.Go through strict quality inspection before packing,involes normal packing, drop test packing(8-16 times drop test per customer ...