automatic sliding door : (1)Pass CE (2)Door weight :100kg*2(door),100kg*4(door) (3)Low noise (60 decibel max) Shen Zhen Hui Trade Industry Co.,ltd.It is founded in 1990s .It is professional manufacturing and selling automatic door ,Including :automatic sliding doors ,Automatic industrial doors ,Telescopic sliding doors,semi-automatic dooor arc induction door upper arm side-hung doors,UPs lonresh ...