The main profile wall thickness:frame: 1.5mm,fan: 2.5mm.Standard configuration OPK perfect system,realize the left and right flush.The visual surface of the vertical fan is only 16mm, because of extremely narrow, creating a super large field of view.Using a quick installation positioning wheel, with excellent anti swing performance and smooth pushing and pulling.Paired with mute pulley and shock absorbing rubber strip,achieving maximum silence effect; Adopting the design of low rail/suspension rail,convenient for cleaning and stumbling prevention.Built in buffer system,equipped with bidirectional light damping,safe and anti-clip hand.Dedicated simple circular handles,easy to open, more concise and smooth.Additionally, the internal glue application process is used to perfectly solve the problem of external glue leakage of the door leaves.