When the six original members of ASEAN unified their markets in 2003, firms from outside the region were attracted by the tariffs perks and the other advantages that accrued to those nations 'industries.
至於台灣產能並不受影響，移出的部分將由技術層級高的客製化生產線遞補。「力用」東協 2003 年東協先進 6 國成為單一市場後，除了關稅優惠外，各國間不同的產業優勢，也是讓企業前仆後繼前往布局的因素。