Yung zip chemical is located in taiwan, specializes in manufacturing api/excipient/fine chemical/photoelectric chemicals for opc drum & lcd and contract manufacturing service. Our manufacturing are complying with cgmp, also inspected, approved by us fda and ensured our excellent quality, allowing our products to market in us, europe and worldwide. In order to service international customers, extensive marketing-networks were set up and the dmf(durg master file) are registered in countries for most apis and prepared to satisfy our customer's information requirement. With the foundation in taiwan, we have a brilliant achievement in world market and aims to be the top apis manufacturer in the world.