WENZHOU GAOLI LOCKS CO.,LTD is one of the professional knob & lever doors handle locks factory in China. With the more than 10 years door knob locks manufacturing experience, now our door knob and handle locks product lines include a variety of different types of door hardware products. Heavy duty lever lockset, Grip pull handleset, Door lever handles lockset, Door  knob lockset , Combo knob &lever locksets with deadbolt lock, Brass & zinc cylinders etc. Our company always strives to bring in solutions that are powerful, reliable and a pleasure to use all the time. In addition, each one of the ...