Below is important resources related with importing from China, if you have anything to add and think we have missed something, please comment below.
Government Websites:
Ministry of Commerce (http://english.mofcom.gov.cn/)
China Customs (http://english.customs.gov.cn)
Administration of Taxation (http://english.customs.gov.cn)
China Council for the promotion of International trade(CCPIT) (http://english.customs.gov.cn)
Standardization Administration (http://www.sac.gov.cn/)
Administration for Industry and Commerce(AIC) (http://www.saic.gov.cn/)
Administration of Quality Supervision, Inspection and Quarantine (http://www.aqsiq.gov.cn/)
Must Read Blog
Chinawhy Sourcing Blog - Leading sourcing blog covering product sourcing, due diligence, legal issues, quality assurance, shipping, payment, accounting, importation/exportation and more.
http://www.chinawhy.net/blog/index.asp
China Law Blog - Writing about law practice in China, by a US lawyer in Qingdao. I would suggest to read their articles on OEM contract, NDA when importing from China.
http://www.chinalawblog.com/
China QC Blog - mainly on quality assurance in China by a western QC inspector.
www.qualityinspection.org/
Tools
China tax rebate rate checker http://www.tax.sh.gov.cn/tycx/TYCX_tuiS ... Search.jsp
China HS code checker http://service.customs.gov.cn/default.aspx?tabid=9409
Real-time RMB exchange rate chart(BOC) http://www.boc.cn/sourcedb/whpj/
China hotel http://english.ctrip.com/
China air ticket http://www.qunar.com/
China train ticket http://www.12306.cn