When the power off, NC contact of the relay will switch to NO contact for output, for the use of remote surveillance to make the whole system more safe
AOPU, established in 2002, is a professional manufacturer engaged in the R&D of Access control, proximity card reader, and Our factory covers an area of 2000 square meters with around 30 employees.So far we have obtained the verified certificates of CE, ROHS, Computer patents etc. We have strong capability of Hardware quality control and Multiple OEM software solution. our Sales and technical support are always available to deal with your consult and inquiry, We Commit that our Desktop and Cloud software are free as well as our device SDK that you can use to integrate with your existed system. You can cooperate with AOPU in flexible ways, including OEM/ODM, or Brand sales, Project cooperation and Industry application joint development.
1. who are we?
We are based in Guangdong, China, start from 2021,sell to Southeast Asia(30.00%),Mid East(20.00%),South America(20.00%),Southern Europe(10.00%),Africa(10.00%),Western Europe(5.00%). There are total about 11-50 people in our office.
2. how can we guarantee quality?
Always a pre-production sample before mass production;
Always final Inspection before shipment;
3.what can you buy from us?
20+ years professional experience in access controler, RFID card reader, emergency call point.
Audited Supplier 
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