beijing china say monday u.s. president-elect donald trump transition team clear china position regard telephone call taiwan president tsai ing-wen friday world clear china solemn position us side include president elect trump team clear china solemn position issue say foreign ministry spokesman lu kang regular press brief beijing taiwan sensitive issue china unite state say elaborate china make position clear trump team decline speculate behind call trump taiwan president tsai ing-wen unusual call prompt china lodge stern representations relevant u.s. side saturday u.s. vice president-elect mike pence play significance call tsai say courtesy call intend show shift u.s. policy china china state press monday also seek minimize telephone call importance say merely reflect trump foreign affairs inexperience shift u.s. policy toward taiwan china see breakaway province trump clear china 's stance call taiwan 's tsai ministry