... Normal open/Normal close4.It used to passenger elevator,freight elevator,medical service elevator,vehicle elevator,etc.About UsSunny is a 20-year ... and perfect after-sales service.Meanwhile, we also provide many kinds of other brand elevator parts,such as YUNGTAY ... parts,Thyssen parts,Schindler parts,Kone parts,Mitsubishi parts,Toshiba parts,Hitachi ...