Shenzhen Aopu Industrial Co., Ltd. specializes in providing professional multi door access control systems.

AOPU products are geared to meet all needs from the office buildings and housing estates to multiple-site high tech corporations, universities, banks, police stations and prisons.

Our products include RS485 network single-door access controllers, RS485 network multi-door (2 doors and 4 doors) access controllers, TCP/IP network single-door access controllers, TCP/IP network multi-door (2 doors and 4 doors) access controllers, access control software, access control and time attendance administration systems, RS485/232 access control converters and RF IC and ID card readers.