KinLong Ev ents AIA EXPO In SanFran cisco Establish in 1975, KinLong is simple and dedicate, specialize in metal fittings for P oint-Support Glass Wall (spider,routel etc) ,Wi ndow&Door(handle,hinge...), with more than 30 ye ars development , KinLong is becoming one of the biggest construction hardware supplier in China. With a worldwide version, KinLong attend promine nt industry expositions around world, such as Ar chitect Institute of America Convention in US, G lassTech in German, more than 20 expositions. Ki nLong is coming to the world.