YungShin developed API in its early stages, while Yung Zip Chemical was established in 1978 to proceed  the development and manufacture of API. Yung Zip began retailing OTC in Taiwan in 2000, and is now an important API supplier of anti-inflammatory products. Several of Yung Zip’s major products were certified by cGMP in Taiwan, US, UK and Japan, and to sales channels in over 25 countries around the world.