2006
●ZUOAN established in 2006, also get explosion proof  electronics produce permission certificates at this year.

2007-2008
●Developed mix step-by-step motor drived explosion proof ptz camera.
●Develop complete range of explosion proof surveillance system, covering Ex camera, transmission, display and
controller.

2009-2010
●Developed underground coal mining unmanned explosion proof surveillance system for coal cutter.
●Get ISO9001:2008 certificate; sales amount exceed 50M; China leading manufacturer of explosion proof camera system,and market share above 32%.

2011-2012
●Adopts EPON to realize coal mining surveillance system transmit by network, pushing the EPON further application to coal mining system.
●The new workshop has been built, covering area of 12,500sqm.

2013-2014
●Developed China first explosion proof PTZ Dome camera, full metal structure with pan tilt,  wiper system, infrared lights,Model of ZAT680.
●New office building, covering area of 5,500sqm.  Develop port anti-corrosion crane damping camera.

2015
●Develop explosion proof PTZ thermal imaging camera, explosion proof PTZ gas detector camera.

2016
●Qualified supplier of ADNOC,CNPC, Sinopec, CNOOC, and cooperate with leading video surveillance company.

2017- 2018
●Get ISO14001:2015, OHSAS18000 certification; New 5-years plan is on process.
●Get ATEX & IECEx explosion proof certificate for explosion proof fixed camera and explosion proof ptz camera

2019-2020
●Implementation of lean management
●Get ATEX & IECEx explosion proof certificate for explosion proof dome camera, explosion proof thermal camera,explosion proof monitor.