By investing abroad, San Sun has been able to bypass quota limits and customs duties in host countries, and to provide direct service to customers (mainly in the USA). The firm has also lowered its costs of production. Investing abroad has proved to be necessary as a survival technique.
以三勝為例，走出台灣，可以免徵關稅、突破配額限制、就近服務客戶（三勝的主要市場是美國）、也可以降低生產成本，是必要的求生手段。