Hongfa Xue

Mechanical coded lock capable of automatically locking

Lock cylinder code dialing mechanism of machine combination lock

Spacing mechanism of dial-up piece of mechanical coded lock

Sheet type spring for dialing mechanism of mechanical coded lock

Code shifting device of mechanical combination lock

Disc component of disc type transmission

Lock core dialing mechanism for mechanical combination lock

Handwheel shaft for cipher-lock

Hand wheel shaft for mechanical combination lock

Hand wheel shaft for mechanical coded lock