For Korea

Immigration: https://www.hikorea.go.kr/pt/main_en.pt

Tax: http://wwhttps://www.hikorea.go.kr/pt/main_en.pw.nts.go.kr/eng/

Health insurance: http://www.nhis.or.kr/static/html/wbd/g/a/wbdga0101.html

Pension: http://www.nps.or.kr/jsppage/english/main.jsp

Support Center for Foreign worker: http://migrantok.org/english/portal.php

News: http://www.koreaherald.com

TV: http://www.arirang.co.kr/index.asp

Transportation: https://english.visitkorea.or.kr/enu/TRP/TRP_MAIN.jsp

Labor board: http://www.moel.go.kr/english/contac/contacCon.jsp

Police: https://www.police.go.kr/eng/main/contents.do?menuNo=500139

For China

Immigration: http://www.visaforchina.org/

Tax: http://www.chinatax.gov.cn/eng/

News: https://www.theguardian.com/world/china

TV: http://english.cctv.com/

Transportation: https://www.travelchinaguide.com/essential/transportation.htm

Cost of living calculator: https://www.expatistan.com/cost-of-living