Rosewell Industry Co., Ltd ( A part of Changzhou Aowen Chemcial Col, Ltd), founded in 2010, is a leading supplier of APIs and pharmaceutical intermediates, especially our anti- aids & cancer products, which are sold out to many countries, and raved by many customers. Furthermore, custom synthesis is fast and reliable, from g to kg, 2~15 synthetic steps. The customer provides literature methods or their own synthesis route in which all details (reaction times, solvents, temperatures, ...