Located in Xingtai Economic Development District of Hebei Province, Xingtai Sinobest Biotech Co., LTD. has convenient traffic and beautiful environment and covers over 80000 square meters. With core technology competitiveness and governmental support, we are professional manufacturer specializing in producing wide range of enzyme preparations and animal feed additives with annual output 20000 tons and 300000 tons accordingly. Now our main products include Alkaline Protease, Neutral ...