ic ▁Co operation ▁( AP EC ) ▁held ▁in ▁Se oul , ▁South ▁Korea . ▁In ▁November ▁ 1 9 9 2 , ▁he ▁again ▁represented ▁Chinese ▁Tai pe i ▁for ▁A PE C ▁in ▁Bang k ok , ▁Th ailand . ▁After ▁a ▁series ▁of ▁negoti ations , ▁he ▁managed ▁to ▁secure ▁RO C , ▁under ▁the ▁name ▁Se par ate ▁Custom s ▁Territ ory ▁of ▁Taiwan , ▁P eng hu , ▁Kin men ▁and ▁M ats u , ▁as ▁an ▁observer ▁member . ▁ ▁Council ▁for ▁Econom ic ▁Pl anning ▁and ▁Development ▁ ▁CE PD ▁Vice ▁Chair mans hip ▁In ▁ 1 9 8 8 - 1 9 8 9 , ▁he ▁was ▁appointed ▁as ▁the ▁Vice ▁Chair man ▁of ▁Council ▁for ▁Econom ic ▁Pl anning ▁and ▁Development ▁( CE PD ) ▁in ▁which ▁during ▁his ▁office ▁term , ▁he ▁promoted ▁major ▁infrastr ucture ▁projects , ▁such ▁as ▁the ▁straight ening ▁of ▁Ke el ung ▁River , ▁the ▁pla cement ▁of ▁Tai pe i ▁City ▁rail ▁lines ▁under ground , ▁the ▁construction ▁of ▁the ▁East - West ▁Highway , ▁the ▁di version ▁of ▁Ch ichi ▁River ▁and ▁the ▁expansion ▁of ▁Ka oh si ung ▁International ▁Airport . ▁ ▁CE PD ▁Chair mans hip ▁In ▁February ▁ 1 9 9 3 , ▁S iew ▁was ▁appointed ▁as ▁the ▁Chair man ▁of ▁CE PD . ▁In ▁June ▁ 1 9 9 3 , ▁he ▁announced ▁his ▁economic ▁stim ulus ▁package ▁aim ing ▁at ▁prom oting ▁steady ▁economic ▁growth , ▁as ▁Taiwan ' s