▁years , ▁this ▁has ▁become ▁less ▁of ▁an ▁issue ▁with ▁an ▁increased ▁police ▁presence ▁and ▁higher ▁average ▁income ▁in ▁the ▁district . ▁ ▁Sub d istrict s ▁Ba o ' an ▁District ▁compr ises ▁ten ▁sub d istrict s : ▁ ▁Econom y ▁Ba o ' an ▁is ▁pre domin antly ▁a ▁secondary ▁sector ▁economy ▁as ▁industrial ▁center ▁famous ▁for ▁having ▁a ▁concentration ▁electron ics ▁fact ories , ▁mostly ▁in ▁X ix i ang ▁and ▁Gu an lan ▁sub - d istrict s . ▁There ▁is ▁also ▁a ▁s izable ▁service ▁industry . ▁Agricult ure , ▁which ▁used ▁to ▁domin ate ▁the ▁economy , ▁has ▁dimin ished ▁in ▁recent ▁years . ▁Like ▁many ▁parts ▁of ▁Sh enz hen , ▁high - ris es ▁can ▁be ▁found ▁all ▁over ▁Ba o ' an . ▁ ▁Four ▁air lines ▁are ▁head qu arter ed ▁on ▁the ▁grounds ▁of ▁Sh enz hen ▁Ba o ' an ▁International ▁Airport : ▁Sh enz hen ▁Airlines , ▁J ade ▁C argo ▁International , ▁Sh enz hen ▁D ong hai ▁Airlines , ▁and ▁SF ▁Airlines . ▁ ▁Transport ation ▁Sh enz hen ▁Ba o ' an ▁International ▁Airport ▁is ▁situated ▁in ▁this ▁district . ▁Sh enz hen ▁met ro ▁lines ▁ 1 , ▁ 5 ▁and ▁ 1 1 ▁go ▁through ▁the ▁district ▁at ▁some ▁point . ▁ ▁Sh enz hen ▁Metro ▁Ba o ' an ▁is ▁currently ▁served ▁by ▁three ▁met ro ▁lines ▁operated ▁by ▁Sh enz hen ▁Metro : ▁▁▁▁ ▁- ▁X in ' an , ▁Ba o