At present, STROWIN has set up and owned Beijing Strowin Biology Science and Technology Co, Ltd. in Beijing Shunyi district and Shandong Strowin Biotechnology Co, Ltd in Taian,Shandong Province as two subsidiaries. STROWIN independently researched and developed more than 20 kinds of single enzymes and series of compound enzyme products. As two main production bases, Taian and Beijing Shunyi companies produce all kinds of enzyme products and annual output is around 20000 tons.