Yung Zip Chemical Ind. Co., Ltd., together with its subsidiaries, engages in the manufacturing and trading of active pharmaceutical ingredients in Taiwan, China, Asia, the Americas, and internationally. The company offers active pharmaceutical ingredients and excipients, API intermediates, and specialty chemicals. It is also involved in custom research and manufacturing services; general investments; and food manufacturing. The company was founded in 1978 and is based in Taichung, Taiwan.