After graduating from the forestry department at National Chung Hsing University, Wang Kuo-tsai went to work at the TFRI, while at the same time pursuing postgraduate studies. At first he researched machine-made paper, which is the mainstream of modern paper production.
中興大學森林系畢業後就到林試所工作，並在職進修唸完研究所的王國財，原本研究的也是造紙主流「機器紙」。