Doing-higher Bio-Tech Co.,LTD has been deeply involved in the production of enzyme preparations over 20 years, always striving to create excellent quality with strict standards. We have successfully obtained the MUI Halal certification, KLBD Jewish Clean Food KOSHER Certification, FSSC22000 certification, ISO9001 certification achieves international integration of food safety management systems. These certifications are not only a recognition of product quality, but also enable us to provide our global customers with reliable and high-quality enzyme products.