Huahongchuang (Dongguan) Membrane Products Limited (short for HHC)&TKM Membrane Technology Co.,Ltd (Foundation Technology Manufacturing Limited as headquarters) has been specializing in manufacturing and distributing of membrane switches, digital touch screen panels, silicone rubber keypads & parts and the other relative products, which was founded in 1997. At currently, we have two membrane factories and a silicone product factory in Dongguan China. In June 2013, We 've purchased a Tanwainess company which mainly produce various metal nameplates, and we use this new facility to expand our main business and add metal nameplate as our new field.   We are an ISO90 ... more