Beijing Challenge Bio-technology Ltd.,Co. is an international high-tech manufacture of feed additives and premixes. It is the first manufacturer of phytase in China since 1999.with more than ten years development, its enzyme products sell well all over the world. Main products are phytase, xylanase, glucose oxidase,galactase,?-mannanase, complex enzyme, betaine anhydrous,sodium butyrate, bacillus subtilis,etc. We welcome you together to "face challenge and share success".
