... material, piping, electronic, elements, refrigeration, air condition, automobile, etc. Aluminum foil has different kinds of thickness, width ... material, piping, electronic, elements, refrigeration, air condition, automobile, etc. Aluminum foil has different kinds of thickness, ... etc. About us1) Hangzhou Dongxing Telecommunication Material Co., Ltd.Located in Linglong industry zone,Lin'an,Hangzhou, ...