... the factory base in Shantou, China.In the last 18 years, we extend our production to window hardware,door hardware,& furniture hardware.2002, Rongtai Hardware set ... slide support / Window Handle / Window Accessories,ect.)Door Hardware(Door Lock, Door Handle,Door Stopper,Door Hinge,ect. )Door control Hardware(Glass Door Handle / Door Closer / Floor Spring / Glass Clamp, ect ...