China Ferric Sodium EDTA salt manufacturers Our History Nantong Focusee Biotechnology Co., Ltd. is a high-tech enterprise mainly engaged in the research, development, production and sales of functional food additives. The company has built a R&D and production base, the main products are Vitamin K2锛圡K-7锛? Phosphatidylserine(PS), website:http://www.focuseebiomaterials.com/