We are a joint venture enterprise located in Tongliang county,Chongqing City,China. We are specialized in making APIs from Prazosin Hydrochloride, Terazosin Hydrochloride, Doxazosin Mesyts and its intermediates. We are a leading manufacturer of Quinazolin&dimethoxyquinazoline type of intermediates in China. Our 2-Chloro-4-aimo-6,7-dimethoxyquinazoline is very popular in our customers. We have clients all over the wrold and hope we can have the very opportunity to cooperate with you for the bilateral benefits.