▁the ▁RO C ▁Cons ulate - General ▁in ▁K ual a ▁L ump ur , ▁Malays ia , ▁and ▁promoted ▁as ▁cons ul ▁in ▁ 1 9 6 9 , ▁a ▁position ▁he ▁held ▁until ▁ 1 9 7 2 . ▁During ▁his ▁office ▁term , ▁he ▁built ▁close ▁relationship ▁between ▁Taiwan ▁and ▁the ▁govern ments ▁and ▁people ▁of ▁Malays ia ▁and ▁Singapore . ▁He ▁also ▁successfully ▁negoti ated ▁the ▁establishment ▁of ▁the ▁Trade ▁Mission ▁of ▁the ▁Republic ▁of ▁China ▁in ▁Singapore ▁and ▁its ▁counter part ▁Singapore ▁Trade ▁Office ▁in ▁Tai pe i . ▁ ▁After ▁the ▁switch ▁of ▁China ▁seat ▁at ▁the ▁United ▁Nations ▁on ▁ 2 5 ▁October ▁ 1 9 7 1 ▁from ▁Republic ▁of ▁China ▁( RO C ) ▁to ▁the ▁People ' s ▁Republic ▁of ▁China ▁( P RC ) ▁and ▁amid ▁massive ▁changes ▁within ▁the ▁international ▁community , ▁S iew ▁determined ▁to ▁return ▁to ▁Taiwan . ▁Once ▁home , ▁be ▁became ▁a ▁section ▁chief ▁at ▁the ▁Department ▁of ▁East ▁Asian ▁and ▁Pacific ▁Affairs ▁of ▁the ▁Ministry ▁of ▁Foreign ▁Affairs ▁( MO FA ). ▁ ▁He ▁then ▁joined ▁the ▁Board ▁of ▁Foreign ▁Trade ▁( BO FT ) ▁under ▁the ▁MO FA ▁in ▁ 1 9 7 2 ▁which ▁he ▁rose ▁from ▁an ▁inspect or , ▁department ▁director ▁until ▁deput y ▁director - general . ▁He ▁used ▁to ▁travel ▁frequently ▁between ▁Taiwan ▁and ▁the ▁United ▁States ▁( US ) ▁for ▁bil ater al ▁trade ▁agreement ▁neg ot iation ▁until ▁the ▁US ▁switched ▁diplom atic ▁relations ▁from ▁RO C ▁to