, surface: A, steel with decorated 304, stainless steel panel. With aluminum framed. Color: usually white, grey-white, blue. B, 304,stainless steel. Color£ºoriginal stainless steel color 2, infill: bolivian magnesium board£¨45mins fire rated£©or foam(light) . 3, handle: 304, stainless steel 4, glass£ºordinary glass or fire rated glass. 5, driven system: A, sliding door opening system: Brushless motor, microcomputer control system, aluminum guide , stainless steel cover, etc. With ce certificate . B, swing door opening system Swing door operator , sensores/switches 6, seal: rubber. Feature: 1.Universality: it is suitable in office building, shop front gate, bank, workshop, dining room, hotel, shopping center, laboratory, hospital etc. Maximum guarantee the people¡®s safety . And cargo¡¯s passing. 2. Reliability: it is appropriate for varied manage operation system. 3. Security: when the door is closing on, if meets problem: such as the obstacle or the human body and likes, the door reverse immediately. 4. Wise: the cpu could record recent obstacle position, in shutting down, when meet obstacle, might reduce speed. Detecting ahead of time guarantee security. Energy-saving: the high quality design, , outstanding sound-insulated, the heat insulation , the dustproof effect guarantee lowest energy- consumption. 5. Artistry: we will achieve your wanted result according to your request such as faces , shapes, the outward appearance, and likes: 6. Convenience: you can choose your own function such as open or close, lock or unlock, the speed of door-open or door-close, varied parameter , the needed time of door-open or door-close. 7. Tranquil: special lubricative , reduced noise greatly with specialized designed hoisting mechanisms hoop structure and device.