Metal shake handshandle collocation of the lock is introduced

Metal polishing base has been implemented, address: AngYi fishing cross the village ( Wood group for land) Polishing machine number 800, now the relevant matters: - ->
metal shake handshandle collocation of lock objects are used to fasten two items. Generally refers to installed on the door lock button firmware for locking doors and Windows, generally composed of active part and fixed part, through the combination of active part and fixed part and the separation of the doors and Windows closed and open.

this is hardware handles collocation of the lock is introduced