... passed ISO9001: 2008 quality management system certification;3,XC607Z material for PHb59 copper and polished chrome surface ... : Guangda Huang Prepared by: Xiangyang Cheng(2) XC607Z test water control table:Test itemsToolsDetection point1. Tightness testTest ... Li Audit: Guangda Huang Prepared by: Xiangyang Cheng9,XC607Z packing information table:Name of packagingMaterialSize (cm)QuantityCartonDouble ...