環保局

environment protection office / PRC National bureau of environmental protection

surname Huan

ring / hoop / loop / (chain) link / classifier for scores in archery etc / to surround / to encircle / to hem in

environmental protection / environmentally friendly / abbr. for 環境保護|环境保护[huan2 jing4 bao3 hu4]

Bulgaria / Bulgarian / abbr. for 保加利亞|保加利亚[Bao3 jia1 li4 ya4]

to defend; to protect; to keep / to guarantee; to ensure / civil administration unit in the baojia 保甲[bao3 jia3] system (old)

narrow

office / situation / classifier for games: match, set, round etc

PRC State Environmental Protection Administration (SEPA)