ChengDu KaiXinTianRui Technology Development Co., Ltd is located in Chengdu, Sichuan province, enjoying beautiful scenery. Integrating R&D and marketing, KaiXinTianRui is a leading manufacturer of active pharmaceutical ingredients and pharmaceutical intermediates, Our main products include : Adefovir Dipivoxil, Rifabutin  Meanwhile, we would like to be consigned to do custom synthesis and contract manufacture for the overseas companies Sticking to the principle of "Quality the first, clients the foremost", we go all out to offer high-quality service and high quality products to our clients. We wholeheatedly welcome friends at home and abroad to cooperate with us! ChengDu KaiXinTianRui Technology Development Co., Ltd is the biggest production base of Rifabutin, Adefovir Dipivoxil in South China