... , silk, brewing and feeding, etc. Product List of Enzyme ProductsSanmenxia Hong Ao Biological Science Technology Co., Ltd is one of ... Alkaline Protease (Powder)detergent, leather depilation and softening, silk degumming and protein hydrolysis etc. ≥100,000u/ ... 398 neutral Proteaseleather softening and depilation, silk degumming, plant and animal proteolysis, brewing and feed additives50000-200000u/ ...