Holl main products:network appliance, firewall, utm firewall, VPN firewall appliance, firewall hardware, network security appliance, network hardware platform, Touch screen PC, touch panel PC, all in one PC, industrial PC, HMI, LCD monitor, touch screen monitor,mini itx PC, SBC, industrial mainboard, etc. Holl technology co.,ltd, is a lead manufacturer of network appliance, network security platform, firewall hardware & industrial computer in shenzhen, China, established in 2002 year, certified ISO9001:2008. We focus in RD and OEM various firewall, network appliance hardware, panel pc, touch screen PC, industrial computer, touch screen monitor, IPC chassis, mini itx pc, single board com ... more