2006 - ZUOAN established in 2006, also get explosion proof electronics produce permission certificates at this year.
2007 - ZUOAN developed mix step-by-step motor drived Explosion proof PTZ camera.
2008 - ZUOAN develop complete range of explosion proof surveillance system, covering Ex camera, transmission, display and controller.
2009 - ZUOAN developed underground coal mining unmanned explosion proof surveillance system for coal cutter.
2010 - ZUOAN get ISO9001:2008 certificate,sales amount exceed 50M,China leading manufacturer of explosion proof camera system, and market share above 32%.
2011- ZUOAN adopts EPON to realise coal mining surveillanve system transmit by network, pushing the EPON further application to coal mining system.
2012 - ZUOAN new workshop has been built,covering area of 36,000sqm.
2013 - ZUOAN developed China first explosion proof PTZ Dome camera, full metal structure with pan tilt, wiper system, infrared lights, Model of ZAT680.
2014 - ZUOAN move to new office building, covering area of 5,500sqm. Develop port anti-corrosion crane damping camera.
2015 - ZUOAN develop explosion proof PTZ thermal imaging camera,explosion proof PTZ gas detector camera.
2016 - ZUOAN is qualified supplier of CNPC,Sinopec,
CNOOC, and cooperate with leading video surveillance company.
ATEX, IECEX, CNEX certified explosion proof cameras is welcomed of intertional market.