B75 series network security industrial control machine is a rack-mounted network security platform product independently developed, produced and operated by Qinyu Technology. There are two models of 6 network ports and 8 network ports. SFP optical port to meet the different needs of various high-end users. Customizable internal and external network ports, multiple external lines superimposed flow control load balancing, flexible combination of various configurations, simple networking; high-speed response, simple operation, military-grade construction, safety and reliability, 7*24 hours of stable operation, power consumption Low energy saving. It can provide stable and reliable special tailor-made OEM solutions in terms of communication access and information security between networks. This complete network security product has been widely used in operators, government agencies, commercial finance, humanities education, large and medium-sized enterprises, Internet cafes, hotels, schools, residential areas and other demand fields, effectively reducing network construction costs and speeding up network speed. Compatible support: ROS, WAYOS Weimeng, iKuai8, Panabit, Smart6, RippleOS Xiaobo Wireless, Morequick Second Open Routing Cache, Freelander, Gao Ke, Sea Spider, BYTEVALUE Baiwei, Bihaiwei, Monowall , PFsense, OPNsense, LEDE, Flow Control Master, Cache Master, Blue Ocean Billing, Lingfeng Billing, Excellent Billing, Radius_Manager, and their respective main developers for firewall, log auditing, behavior management, AC, gateway, gatekeeper, etc. X86 a variety of network security application systems.