This report is updated on the base of the first edition which was finished in 2004. The report focuses on the production, producer, import & export, consumption, as well as raw material. Once the reader look through the report, he/she will have the overview of urotropine industry in China in mind. Up to 2006 Nov. there are 27 active and 1 potential urotropine manufacturers in China. All those producers are introduced in detail, in the aspects of company background, production and sale situation of urotropine in 2004 and 2006.