Nanning Doing-Higher Bio-Tech Co., Ltd. is a science and technology enterprise that engaged in the research and development, production, application and sale of biological enzyme preparation, our products including Animal (Plant) proteolysis series, Fruits and vegetables processing series, Beer enzymeseries, Cures the special-purpose series, and the enzyme preparation terminal products etc., total 5 main series, the product variety reaches more than 150 kinds, can widely applies in the industries of protein processing, seasoning, meat product, fruits and vegetables, drink, beer, flour product, medicine, daily chemical and so on , the leading products are papain,bromelain, neutral proteinase, alkaline proteinase, yeast extract enzyme, papaya powder etc.