Specifications

1. Gourd guts cylinder of black bronze door lock

  Secure bronze door lock, firm gourd guts copper lock core that is really  tough, 

preeminent mechanical character of good performance

2. 6085 copper mortise
  High copper raw materials, skilled workmanship, ideal structure, nice corrosion

resistance, anti-scratch feature

3. Leaf blade key
  Mechanical key has extra application for illegal opening and prying prevention; after

master keys is working, engineering keys could not be used again

4. A variety of polishing ways
  There are variable surface polishing ways available,solid copper cladding layer, 
advanced surface treatment technology

5. Copper is green metal for black bronze door lock

  Because copper is durable, easy to recycle to use economic, cause no pollution  to ecological 

environment, and copper is indispensable to animal and human health and survival of trace

elements, so the copoper metal is recognized to be green

Features of black bronze door lock:

Lock automatically: the door will be lockedautomatically after it is closed properly. Only can 

be opened from outside usethe right key.

Mortise direction changing: use simple tool to change the mortise direction.

Key management: with 2+5 pcs keys (2 keys for decoration,5 keys for master), to solve keys

problem after decoration.

Disc-tumble cylinder and key: disc-tumble cylinder, use new leaf structure, high effect on 

prevent open with picklock. For its special instruction, it is hard to copy except the professional

door lock factory.

Vacuum plating surface: using the use of international advanced surface treatment technology, 

not easily oxidized, not rusty stain revealed, eternallyl bright.

Superior security: bronze lock with reinforcing lock body design, anti damage characteristics, 

durable, enhancing the precision and increasing security index of bronze lock.