sell ceiling accessories,like: u clamp,extender,hanger,connection, agraf,loop rod, double spring etc. ... sell ceiling accessories,like:extender,hanger,connection,agraf,u type clip,loop rod,double spring,anchor angle etc.We ... and suspensionceiling,including drywall stud and track,ceiling main tee and cross tee,furring channel,main channel,wall angle ,corner bead etc ...