Yāo yāo líng jiējǐng zhōngxīn èr shí sì xiǎoshí yǒurén zhíbān.
The 110 call center is staffed around the clock.
Tips
usage
接 (to receive) + 警 (alarm/police call). Used from the responder's side — the officer 接警 when a citizen 报警 (reports). 110 is the police emergency number in China; 119 is fire; 120 is medical.