... copper 2.Technics-Hot punchining,CNC machining 3.ISO9001:2008 Inch brass fitting 1. Product Introduction Item DescriptionNameCNC machining part: Copper ... , micrometer, thread ring gauge and plug gauge and other regular gauges.(5)Certificate: SGS ISO 9001:2008(6)Brief introduction of ... : Xishanqian, Huanxiu Sub-district, Jimo city,Qingdao,Shandong province,China Inch brass fitting