Since 2003, we taosign corporation become one of the most respected manufacturers of natural preservative in china, whose leading products: Nisin?natamycin?( natamycin 50% lactose?natamycin 50% glucose, natamycin 95%) Our all product is certificated by kosher, halal, and we do our products according to gmp , haccp, and iso. We sell nisin 40mt/year, natamycin 30mt/year. Our price is very attractive!