Master Key is a high-end lock system that is used for residential, office, hotel and management applications. In order to produce master key, it is necessary to have modern machines to create sophisticated products to ensure the lock quality when used safely. System code and information should be strictly controlled to ensure the highest security for the user. EBM is proud to be the exclusive distributor of Winkhaus Master in Vietnamese market – Winkhaus (Germany) is one of the leading metal accessories manufacturers in the world.

Use the Master Key

Depending on the size of the project and the needs of each client, EBM is offering two types of master courses:

1) Peg key system (Key alike system)

With per key system, all doors in the house can be opened with a single key. Per key system can be used for projects such as: small companies, shops, apartments, villas,…

The house is designed and installed master key system

2) Master key system (multi-level lock – Master key system)

Master key system is a flexible structured system for creating hierarchical keys.
Master key system used for projects such as small and medium companies, luxury villas, hotels,… is an economic and modern solution.

The house is designed and installed master key system

motMaster key: can open all doors
haiKey for children in the house: can open door number 2
baKey for gardener: Door can only be opened with number 3


Lock core with 5 pin systems to increase safety

Key with system code and Winkhaus logo