In those days Taiwan's economy was undeveloped, and per capita income was less than US $ 1000. Model airplanes were all imported, with customs duty of 150 %, making them a precious commodity indeed.
當時台灣經濟不發達，國民所得不過一千多美元，模型飛機全靠進口，關稅高達百分之一百五十，又貴又稀罕。