... ISO9001:2008,BV,RoHS,REACH brass or aluminum male female connector Materials: iron, carbon steel, stainless steel ,aluminumFinish: plain, ... product: The scope of business is the hardware turning parts, connector’s pin & socket contact, Axis of copiers, barcode / ... hardness gauge,various gauges, thread gauge, digital display micrometer, dial indicator, mm card slot card, the inner hole caliper and other ...