Shenzhen JHA Technology Co., Ltd is one of the leading manufacturers of hardened Ethernet, PoE, and fiber connectivity products specifically designed for harsh and demanding environments. Founded in 2007 in Shenzhen China, JHA Tech specializes in the design and manufacture of industrial Ethernet switches, media converters, SFP transceiver and power over Ethernet products for applications where connectivity is crucial. With our core focus on Ethernet connectivity for extreme environments with stringent requirements product reliability and quality are top priority.