ShenZhen MuxBOXS Science&Technology Co., Ltd established in 2007the headquarter located in Shenzhen. It is a R&D oriented designer and manufacturer for high performance Audio & Video Balun,Ethernet&Power Extender Over Coax/utp Cable,HDMI Extender/Splitter/Switch,VGA Extender/Splitter,and so on. We own the first-class & professional R&D engineer team, Who has accumulated a wealth of experience in a number of new technology project development and implementation process . it engages to rank itself among the first-class Audio & Video Balun,Ethernet&Power Extender Over Coax/utp Cable,HDMI Extender/Splitter/Switch,VGA Extender/Splitter solutions providers in the world , and . So , we can maintain international standards in technology. We have set up a set of quality control system, At present, we have strictly complement ISO9001. Our products have honored certificates of CE, FCC, 3C, ROHS.