Qingdao ZK Biotechnology Co., Ltd is located in Qingdao city, which is a subcompany of ZK Biochem Group Co., Ltd. We are a well-established manufacturer of Health foods(Tablet, Capsule), Nutraceutical Ingredients (herb extract, spirulina, chlorella, goji berry, stevia, barley grass powder and pharmaceuticals), with well-equipped testing facilities and strong technical force. With a wide range, good quality, reasonable prices and stylish designs, our products are extensively used in food ...