HQS was established in 1999 and has been a pioneer in access control systems.  HQS has continuously represented high quality branded access control systems from worldwide manufacturers directly.
In 2006, HQS represents Receptors International Security Group (RISG) from USA.  RISG has over 35 years of experience on developing, producing and installation of access control systems for many famous big projects.  With the support from RISG, HQS will bring you one of the best access control system.
In 2007， HQS begin To enter the field of RFID, and the next few years successfully developed a variety of RFID products  and have a large number of sales in China.
In the biological product, took the lead in the introduction of Hitachi finger vein technology, and developed on the basis of a finger vein recognition system.