... ISO9001:2008,BV,RoHS,REACH brass or aluminum male female connector Materials: iron, carbon steel, stainless steel ,aluminumFinish: ... ContinuousImprovement Major product: The scope of business is the hardware turning parts, connector’s pin & socket contact, Axis of copiers, ... other various types of shaft, Appliance copper fittings,Automotive hardware parts, hex / quadrangle rivet nuts, High-end ...