Concealed translational electric copper door; national standard hot-dip galvanized steel pipe skeleton, T2 material copper plate finish,landscape painting by special etching process, door frame, door handle,door belt flower decoration by pure hand-forging process, single side door embellished by 28 copper bubble nails. Surface with antique treatment, advanced environmental protection fluorocarbon protective paint spraying; Italy originally imported fully automatic intelligent sliding door system.