HTY-DS803 Dissolution autosampler system is developed and manufactured independency by GoodTailin company, which absorbs many international advanced technologies of dissolution through 9 years investigation and researching and meets the requirement of CP, USP and EP. This system is composed by Dissolution tester and Autosampler, simulates human's stomach and intestine. It is specially used to test the dissolution of solid medicine, such as tablet, capsule pharmaceutical, particle pharmaceutical, etc.