Beijing Style Sci. & Tech. Development Co., Ltd.  Style are one of the largest manufacturers and leading of feed phytase in China. Our company has been granted ISO 9001 and HACCP certification. Feed phytase is one kind of enzyme /feed additives used for pig or poultry feed production, it can efficiently improve utilization ratio of total phosphorus in vegetable feed, increase space of formula, be convenient for adjustment of formula, and improve breeding environment, so as to bring enormous economic and social benefits to Feed-production and animal-breeding. it is common use in Asian and Europe due to environmental protection and feed cost saving.  Our brand phytase have lots of exclusive feature compared with other brands.